55599132 divided by 390 
Let's see how many times 390 fits into 55599132.

Advancing to step 1:
390 goes into 5 0 times with a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 5 and we're left with 5.
Grab the next digit (5) from the dividend, add it to 5, then carry on: 55 / 390

Going ahead to step 2:
390 can be fit into 55 0 times, resulting in a remainder of 55.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 55, we get 55.
Include the next digit (5) from the dividend after 55, then repeat: 555 / 390

Going ahead to step 3:
If we divide 555 by 390, we get 1 and a remainder of 165.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Subtracting 390 from 555 leaves us with 165.
Bring next digit (9) of the dividend behind the 165 and repeat the process: 1659 / 390

On to step 4:
If we divide 1659 by 390, we get 4 and a remainder of 99.
The number 4 becomes the next digit in our result. 
Result so far: 14.0
If we take 1560 away from 1659, we end up with 99.
Append the next digit (9) from the dividend to 99 and continue with: 999 / 390

Moving on to step 5:
The number 390 fits into 999 2 times, leaving a remainder of 219.
Write down 2 as next digit of the result. 
Result so far: 142.0
Subtracting 780 from 999 leaves us with 219.
Append the next digit (1) from the dividend to 219 and continue with: 2191 / 390

Step 6:
The number 390 fits into 2191 5 times, leaving a remainder of 241.
Write down 5 as next digit of the result. 
Result so far: 1425.0
Subtracting 1950 from 2191 leaves us with 241.
Include the next digit (3) from the dividend after 241, then repeat: 2413 / 390

Going ahead to step 7:
If we divide 2413 by 390, we get 6 and a remainder of 73.
The number 6 becomes the next digit in our result. 
Result so far: 14256.0
Subtract 2340 from 2413 to get 73.
Include the next digit (2) from the dividend after 73, then repeat: 732 / 390

Let's proceed to step 8:
The number 390 fits into 732 1 times, leaving a remainder of 342.
The next digit of our result is 1. 
Result so far: 142561.0
Deduct 390 from 732 and we're left with 342.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3420, and continue the process.

Moving on to step 9:
3420 divided by 390 is 8 with a remainder of 300.
Record the quotient 8 as the next digit in the result. 
Result so far: 142561.8
If we subtract 3120 from 3420, we get 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3000, and continue the process.

Let's proceed to step 10:
If we divide 3000 by 390, we get 7 and a remainder of 270.
Put 7 as the next digit of the answer. 
Result so far: 142561.87
Deduct 2730 from 3000 and we're left with 270.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2700, and continue the process.

Advancing to step 11:
390 goes into 2700 6 times with a remainder of 360.
Write down 6 as next digit of the result. 
Result so far: 142561.876
The remainder is 360 after subtracting 2340 from 2700.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3600, and continue the process.

Going ahead to step 12:
When dividing 3600 by 390, we get 9 with a remainder of 90.
Use 9 as the next digit of our solution. 
Result so far: 142561.8769
If we subtract 3510 from 3600, we get 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 900, and continue the process.

Going ahead to step 13:
The number 390 fits into 900 2 times, leaving a remainder of 120.
Record the quotient 2 as the next digit in the result. 
Result so far: 142561.87692
Subtracting 780 from 900 leaves us with 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

Let's proceed to step 14:
1200 divided by 390 is 3 with a remainder of 30.
Record the quotient 3 as the next digit in the result. 
Result so far: 142561.876923
Deduct 1170 from 1200 and we're left with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Step 15:
300 divided by 390 is 0 with a remainder of 300.
The number 0 becomes the next digit in our result. 
Result so far: 142561.876923
The remainder is 300 after subtracting 0 from 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3000, and continue the process.

On to step 16:
The number 390 fits into 3000 7 times, leaving a remainder of 270.
Put 7 as the next digit of the answer. 
Result so far: 142561.87692307
Subtract 2730 from 3000 to get 270.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2700, and continue the process.

The final result is 142561.87692307 with a remainder of 2.7e-07.