55943019 divided by 866 
Our goal is to divide 55943019 by 866.

Advancing to step 1:
The number 866 fits into 5 0 times, leaving a remainder of 5.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Bring next digit (5) of the dividend behind the 5 and repeat the process: 55 / 866

On to step 2:
When dividing 55 by 866, we get 0 with a remainder of 55.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 55, we end up with 55.
Append the next digit (9) from the dividend to 55 and continue with: 559 / 866

Step 3:
When dividing 559 by 866, we get 0 with a remainder of 559.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 559 and we're left with 559.
Fetch the next digit (4) from the dividend, attach it to 559 and continue: 5594 / 866

Step 4:
866 goes into 5594 6 times with a remainder of 398.
The next digit of our result is 6. 
Result so far: 6.0
Subtracting 5196 from 5594 leaves us with 398.
Append the next digit (3) from the dividend to 398 and continue with: 3983 / 866

Moving on to step 5:
If we divide 3983 by 866, we get 4 and a remainder of 519.
Put 4 as the next digit of the answer. 
Result so far: 64.0
Subtracting 3464 from 3983 leaves us with 519.
Include the next digit (0) from the dividend after 519, then repeat: 5190 / 866

Advancing to step 6:
866 goes into 5190 5 times with a remainder of 860.
Record the quotient 5 as the next digit in the result. 
Result so far: 645.0
The remainder is 860 after subtracting 4330 from 5190.
Grab the next digit (1) from the dividend, add it to 860, then carry on: 8601 / 866

On to step 7:
8601 divided by 866 is 9 with a remainder of 807.
The number 9 becomes the next digit in our result. 
Result so far: 6459.0
Subtract 7794 from 8601 to get 807.
Append the next digit (9) from the dividend to 807 and continue with: 8079 / 866

Going ahead to step 8:
The number 866 fits into 8079 9 times, leaving a remainder of 285.
The next digit of our result is 9. 
Result so far: 64599.0
Subtract 7794 from 8079 to get 285.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2850, and continue the process.

Going ahead to step 9:
866 goes into 2850 3 times with a remainder of 252.
The number 3 becomes the next digit in our result. 
Result so far: 64599.3
Deduct 2598 from 2850 and we're left with 252.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2520, and continue the process.

On to step 10:
The number 866 fits into 2520 2 times, leaving a remainder of 788.
Use 2 as the next digit of our solution. 
Result so far: 64599.32
The remainder is 788 after subtracting 1732 from 2520.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7880, and continue the process.

Going ahead to step 11:
866 goes into 7880 9 times with a remainder of 86.
Record the quotient 9 as the next digit in the result. 
Result so far: 64599.329
Subtracting 7794 from 7880 leaves us with 86.
Since there are no more digits in the dividend, we add a zero to the remainder making it 860, and continue the process.

Moving on to step 12:
866 goes into 860 0 times with a remainder of 860.
The number 0 becomes the next digit in our result. 
Result so far: 64599.329
If we subtract 0 from 860, we get 860.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8600, and continue the process.

Moving on to step 13:
When dividing 8600 by 866, we get 9 with a remainder of 806.
Record the quotient 9 as the next digit in the result. 
Result so far: 64599.32909
The remainder is 806 after subtracting 7794 from 8600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8060, and continue the process.

Step 14:
866 goes into 8060 9 times with a remainder of 266.
The number 9 becomes the next digit in our result. 
Result so far: 64599.329099
Subtract 7794 from 8060 to get 266.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2660, and continue the process.

The final outcome is 64599.329099, with a leftover of 2.66e-05.