We look at the division of 910525 by 52 
The aim is to understand the frequency of 52 in 910525.

On to step 1:
9 divided by 52 is 0 with a remainder of 9.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 9 after subtracting 0 from 9.
Bring next digit (1) of the dividend behind the 9 and repeat the process: 91 / 52

Going ahead to step 2:
52 goes into 91 1 times with a remainder of 39.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Deduct 52 from 91 and we're left with 39.
Fetch the next digit (0) from the dividend, attach it to 39 and continue: 390 / 52

Advancing to step 3:
52 goes into 390 7 times with a remainder of 26.
Put 7 as the next digit of the answer. 
Result so far: 17.0
If we take 364 away from 390, we end up with 26.
Bring next digit (5) of the dividend behind the 26 and repeat the process: 265 / 52

Going ahead to step 4:
The number 52 fits into 265 5 times, leaving a remainder of 5.
Record the quotient 5 as the next digit in the result. 
Result so far: 175.0
If we take 260 away from 265, we end up with 5.
Fetch the next digit (2) from the dividend, attach it to 5 and continue: 52 / 52

Step 5:
The number 52 fits into 52 1 times, leaving a remainder of 0.
Record the quotient 1 as the next digit in the result. 
Result so far: 1751.0
Deduct 52 from 52 and we're left with 0.
Take the next digit (5) from the dividend and append it to 0, then repeat: 5 / 52

Advancing to step 6:
52 goes into 5 0 times with a remainder of 5.
Record the quotient 0 as the next digit in the result. 
Result so far: 17510.0
Subtracting 0 from 5 leaves us with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Step 7:
When dividing 50 by 52, we get 0 with a remainder of 50.
The number 0 becomes the next digit in our result. 
Result so far: 17510.0
The remainder is 50 after subtracting 0 from 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

On to step 8:
52 can be fit into 500 9 times, resulting in a remainder of 32.
Record the quotient 9 as the next digit in the result. 
Result so far: 17510.09
Subtract 468 from 500 to get 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Let's proceed to step 9:
320 divided by 52 is 6 with a remainder of 8.
The number 6 becomes the next digit in our result. 
Result so far: 17510.096
The remainder is 8 after subtracting 312 from 320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

On to step 10:
The number 52 fits into 80 1 times, leaving a remainder of 28.
Put 1 as the next digit of the answer. 
Result so far: 17510.0961
Deduct 52 from 80 and we're left with 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Moving on to step 11:
The number 52 fits into 280 5 times, leaving a remainder of 20.
Use 5 as the next digit of our solution. 
Result so far: 17510.09615
Subtracting 260 from 280 leaves us with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

On to step 12:
52 goes into 200 3 times with a remainder of 44.
The number 3 becomes the next digit in our result. 
Result so far: 17510.096153
Deduct 156 from 200 and we're left with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Step 13:
52 goes into 440 8 times with a remainder of 24.
Record the quotient 8 as the next digit in the result. 
Result so far: 17510.0961538
Subtracting 416 from 440 leaves us with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Moving on to step 14:
52 can be fit into 240 4 times, resulting in a remainder of 32.
Record the quotient 4 as the next digit in the result. 
Result so far: 17510.09615384
Subtract 208 from 240 to get 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Our division results in 17510.09615384 with a remaining 3.2e-08.