51591907 divided by 616 
We want to figure out the number of times 51591907 can be divided by 616.

Going ahead to step 1:
616 can be fit into 5 0 times, resulting in a remainder of 5.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 5 to get 5.
Bring next digit (1) of the dividend behind the 5 and repeat the process: 51 / 616

Going ahead to step 2:
The number 616 fits into 51 0 times, leaving a remainder of 51.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 51 leaves us with 51.
Include the next digit (5) from the dividend after 51, then repeat: 515 / 616

On to step 3:
If we divide 515 by 616, we get 0 and a remainder of 515.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 515, we get 515.
Append the next digit (9) from the dividend to 515 and continue with: 5159 / 616

Step 4:
616 goes into 5159 8 times with a remainder of 231.
Record the quotient 8 as the next digit in the result. 
Result so far: 8.0
If we take 4928 away from 5159, we end up with 231.
Include the next digit (1) from the dividend after 231, then repeat: 2311 / 616

Advancing to step 5:
When dividing 2311 by 616, we get 3 with a remainder of 463.
Put 3 as the next digit of the answer. 
Result so far: 83.0
If we take 1848 away from 2311, we end up with 463.
Fetch the next digit (9) from the dividend, attach it to 463 and continue: 4639 / 616

Going ahead to step 6:
4639 divided by 616 is 7 with a remainder of 327.
Record the quotient 7 as the next digit in the result. 
Result so far: 837.0
Subtracting 4312 from 4639 leaves us with 327.
Include the next digit (0) from the dividend after 327, then repeat: 3270 / 616

Let's proceed to step 7:
When dividing 3270 by 616, we get 5 with a remainder of 190.
Put 5 as the next digit of the answer. 
Result so far: 8375.0
If we subtract 3080 from 3270, we get 190.
Include the next digit (7) from the dividend after 190, then repeat: 1907 / 616

Step 8:
The number 616 fits into 1907 3 times, leaving a remainder of 59.
Use 3 as the next digit of our solution. 
Result so far: 83753.0
If we take 1848 away from 1907, we end up with 59.
Since there are no more digits in the dividend, we add a zero to the remainder making it 590, and continue the process.

Step 9:
If we divide 590 by 616, we get 0 and a remainder of 590.
The number 0 becomes the next digit in our result. 
Result so far: 83753.0
Subtract 0 from 590 to get 590.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5900, and continue the process.

Step 10:
616 can be fit into 5900 9 times, resulting in a remainder of 356.
The next digit of our result is 9. 
Result so far: 83753.09
Subtract 5544 from 5900 to get 356.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3560, and continue the process.

Step 11:
If we divide 3560 by 616, we get 5 and a remainder of 480.
Put 5 as the next digit of the answer. 
Result so far: 83753.095
Subtract 3080 from 3560 to get 480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4800, and continue the process.

Advancing to step 12:
When dividing 4800 by 616, we get 7 with a remainder of 488.
Put 7 as the next digit of the answer. 
Result so far: 83753.0957
Subtracting 4312 from 4800 leaves us with 488.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4880, and continue the process.

On to step 13:
616 can be fit into 4880 7 times, resulting in a remainder of 568.
Use 7 as the next digit of our solution. 
Result so far: 83753.09577
The remainder is 568 after subtracting 4312 from 4880.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5680, and continue the process.

Our division results in 83753.09577 with a remaining 0.000568.