57543689 divided by 868 
We want to figure out the number of times 57543689 can be divided by 868.

Going ahead to step 1:
5 divided by 868 is 0 with a remainder of 5.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Grab the next digit (7) from the dividend, add it to 5, then carry on: 57 / 868

Step 2:
868 can be fit into 57 0 times, resulting in a remainder of 57.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 57 leaves us with 57.
Include the next digit (5) from the dividend after 57, then repeat: 575 / 868

Step 3:
868 can be fit into 575 0 times, resulting in a remainder of 575.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 575 and we're left with 575.
Bring next digit (4) of the dividend behind the 575 and repeat the process: 5754 / 868

Moving on to step 4:
868 goes into 5754 6 times with a remainder of 546.
Put 6 as the next digit of the answer. 
Result so far: 6.0
Deduct 5208 from 5754 and we're left with 546.
Include the next digit (3) from the dividend after 546, then repeat: 5463 / 868

Advancing to step 5:
If we divide 5463 by 868, we get 6 and a remainder of 255.
Write down 6 as next digit of the result. 
Result so far: 66.0
The remainder is 255 after subtracting 5208 from 5463.
Include the next digit (6) from the dividend after 255, then repeat: 2556 / 868

Advancing to step 6:
The number 868 fits into 2556 2 times, leaving a remainder of 820.
The number 2 becomes the next digit in our result. 
Result so far: 662.0
Subtract 1736 from 2556 to get 820.
Append the next digit (8) from the dividend to 820 and continue with: 8208 / 868

Moving on to step 7:
8208 divided by 868 is 9 with a remainder of 396.
Record the quotient 9 as the next digit in the result. 
Result so far: 6629.0
If we take 7812 away from 8208, we end up with 396.
Grab the next digit (9) from the dividend, add it to 396, then carry on: 3969 / 868

Moving on to step 8:
When dividing 3969 by 868, we get 4 with a remainder of 497.
Use 4 as the next digit of our solution. 
Result so far: 66294.0
Deduct 3472 from 3969 and we're left with 497.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4970, and continue the process.

Step 9:
The number 868 fits into 4970 5 times, leaving a remainder of 630.
Record the quotient 5 as the next digit in the result. 
Result so far: 66294.5
Deduct 4340 from 4970 and we're left with 630.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6300, and continue the process.

Advancing to step 10:
6300 divided by 868 is 7 with a remainder of 224.
The next digit of our result is 7. 
Result so far: 66294.57
Subtract 6076 from 6300 to get 224.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2240, and continue the process.

Advancing to step 11:
When dividing 2240 by 868, we get 2 with a remainder of 504.
Use 2 as the next digit of our solution. 
Result so far: 66294.572
Deduct 1736 from 2240 and we're left with 504.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5040, and continue the process.

On to step 12:
5040 divided by 868 is 5 with a remainder of 700.
Write down 5 as next digit of the result. 
Result so far: 66294.5725
The remainder is 700 after subtracting 4340 from 5040.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7000, and continue the process.

Step 13:
868 can be fit into 7000 8 times, resulting in a remainder of 56.
The number 8 becomes the next digit in our result. 
Result so far: 66294.57258
If we subtract 6944 from 7000, we get 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Let's proceed to step 14:
If we divide 560 by 868, we get 0 and a remainder of 560.
Put 0 as the next digit of the answer. 
Result so far: 66294.57258
If we subtract 0 from 560, we get 560.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5600, and continue the process.

Advancing to step 15:
When dividing 5600 by 868, we get 6 with a remainder of 392.
The next digit of our result is 6. 
Result so far: 66294.5725806
Subtract 5208 from 5600 to get 392.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3920, and continue the process.

Step 16:
868 can be fit into 3920 4 times, resulting in a remainder of 448.
The next digit of our result is 4. 
Result so far: 66294.57258064
The remainder is 448 after subtracting 3472 from 3920.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4480, and continue the process.

The final result is 66294.57258064 with a remainder of 4.48e-07.