We look at the division of 64147355 by 57 
The aim is to understand the frequency of 57 in 64147355.

Let's proceed to step 1:
If we divide 6 by 57, we get 0 and a remainder of 6.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Append the next digit (4) from the dividend to 6 and continue with: 64 / 57

Moving on to step 2:
When dividing 64 by 57, we get 1 with a remainder of 7.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we take 57 away from 64, we end up with 7.
Bring next digit (1) of the dividend behind the 7 and repeat the process: 71 / 57

Going ahead to step 3:
If we divide 71 by 57, we get 1 and a remainder of 14.
The number 1 becomes the next digit in our result. 
Result so far: 11.0
Deduct 57 from 71 and we're left with 14.
Bring next digit (4) of the dividend behind the 14 and repeat the process: 144 / 57

Step 4:
The number 57 fits into 144 2 times, leaving a remainder of 30.
Put 2 as the next digit of the answer. 
Result so far: 112.0
Subtracting 114 from 144 leaves us with 30.
Fetch the next digit (7) from the dividend, attach it to 30 and continue: 307 / 57

Going ahead to step 5:
57 can be fit into 307 5 times, resulting in a remainder of 22.
The number 5 becomes the next digit in our result. 
Result so far: 1125.0
If we take 285 away from 307, we end up with 22.
Take the next digit (3) from the dividend and append it to 22, then repeat: 223 / 57

Going ahead to step 6:
57 can be fit into 223 3 times, resulting in a remainder of 52.
Write down 3 as next digit of the result. 
Result so far: 11253.0
The remainder is 52 after subtracting 171 from 223.
Append the next digit (5) from the dividend to 52 and continue with: 525 / 57

Advancing to step 7:
525 divided by 57 is 9 with a remainder of 12.
Use 9 as the next digit of our solution. 
Result so far: 112539.0
If we subtract 513 from 525, we get 12.
Take the next digit (5) from the dividend and append it to 12, then repeat: 125 / 57

Step 8:
125 divided by 57 is 2 with a remainder of 11.
Use 2 as the next digit of our solution. 
Result so far: 1125392.0
Subtracting 114 from 125 leaves us with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Step 9:
The number 57 fits into 110 1 times, leaving a remainder of 53.
Write down 1 as next digit of the result. 
Result so far: 1125392.1
The remainder is 53 after subtracting 57 from 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 530, and continue the process.

Going ahead to step 10:
530 divided by 57 is 9 with a remainder of 17.
Put 9 as the next digit of the answer. 
Result so far: 1125392.19
The remainder is 17 after subtracting 513 from 530.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Let's proceed to step 11:
57 goes into 170 2 times with a remainder of 56.
The next digit of our result is 2. 
Result so far: 1125392.192
The remainder is 56 after subtracting 114 from 170.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Moving on to step 12:
57 can be fit into 560 9 times, resulting in a remainder of 47.
The number 9 becomes the next digit in our result. 
Result so far: 1125392.1929
If we subtract 513 from 560, we get 47.
Since there are no more digits in the dividend, we add a zero to the remainder making it 470, and continue the process.

Moving on to step 13:
When dividing 470 by 57, we get 8 with a remainder of 14.
Write down 8 as next digit of the result. 
Result so far: 1125392.19298
If we take 456 away from 470, we end up with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Let's proceed to step 14:
57 can be fit into 140 2 times, resulting in a remainder of 26.
Use 2 as the next digit of our solution. 
Result so far: 1125392.192982
If we subtract 114 from 140, we get 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Let's proceed to step 15:
260 divided by 57 is 4 with a remainder of 32.
Write down 4 as next digit of the result. 
Result so far: 1125392.1929824
Deduct 228 from 260 and we're left with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Advancing to step 16:
The number 57 fits into 320 5 times, leaving a remainder of 35.
The number 5 becomes the next digit in our result. 
Result so far: 1125392.19298245
Subtracting 285 from 320 leaves us with 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

After the division, we end up with 1125392.19298245 and a remainder of 3.5e-08.