We're dividing 51566668 by 599 
Let's see how many times 599 fits into 51566668.

Advancing to step 1:
When dividing 5 by 599, we get 0 with a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 5, we end up with 5.
Include the next digit (1) from the dividend after 5, then repeat: 51 / 599

Let's proceed to step 2:
When dividing 51 by 599, we get 0 with a remainder of 51.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 51 and we're left with 51.
Append the next digit (5) from the dividend to 51 and continue with: 515 / 599

Advancing to step 3:
When dividing 515 by 599, we get 0 with a remainder of 515.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 515 and we're left with 515.
Grab the next digit (6) from the dividend, add it to 515, then carry on: 5156 / 599

Let's proceed to step 4:
The number 599 fits into 5156 8 times, leaving a remainder of 364.
Write down 8 as next digit of the result. 
Result so far: 8.0
Subtracting 4792 from 5156 leaves us with 364.
Fetch the next digit (6) from the dividend, attach it to 364 and continue: 3646 / 599

Moving on to step 5:
If we divide 3646 by 599, we get 6 and a remainder of 52.
The next digit of our result is 6. 
Result so far: 86.0
Deduct 3594 from 3646 and we're left with 52.
Append the next digit (6) from the dividend to 52 and continue with: 526 / 599

Going ahead to step 6:
The number 599 fits into 526 0 times, leaving a remainder of 526.
Use 0 as the next digit of our solution. 
Result so far: 860.0
If we take 0 away from 526, we end up with 526.
Fetch the next digit (6) from the dividend, attach it to 526 and continue: 5266 / 599

Moving on to step 7:
599 goes into 5266 8 times with a remainder of 474.
The number 8 becomes the next digit in our result. 
Result so far: 8608.0
If we subtract 4792 from 5266, we get 474.
Append the next digit (8) from the dividend to 474 and continue with: 4748 / 599

Advancing to step 8:
The number 599 fits into 4748 7 times, leaving a remainder of 555.
Record the quotient 7 as the next digit in the result. 
Result so far: 86087.0
Deduct 4193 from 4748 and we're left with 555.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5550, and continue the process.

Going ahead to step 9:
When dividing 5550 by 599, we get 9 with a remainder of 159.
The number 9 becomes the next digit in our result. 
Result so far: 86087.9
Deduct 5391 from 5550 and we're left with 159.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1590, and continue the process.

On to step 10:
599 can be fit into 1590 2 times, resulting in a remainder of 392.
The number 2 becomes the next digit in our result. 
Result so far: 86087.92
Deduct 1198 from 1590 and we're left with 392.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3920, and continue the process.

Let's proceed to step 11:
If we divide 3920 by 599, we get 6 and a remainder of 326.
Use 6 as the next digit of our solution. 
Result so far: 86087.926
If we take 3594 away from 3920, we end up with 326.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3260, and continue the process.

Let's proceed to step 12:
599 goes into 3260 5 times with a remainder of 265.
Write down 5 as next digit of the result. 
Result so far: 86087.9265
Deduct 2995 from 3260 and we're left with 265.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2650, and continue the process.

Moving on to step 13:
599 can be fit into 2650 4 times, resulting in a remainder of 254.
Put 4 as the next digit of the answer. 
Result so far: 86087.92654
The remainder is 254 after subtracting 2396 from 2650.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2540, and continue the process.

Advancing to step 14:
If we divide 2540 by 599, we get 4 and a remainder of 144.
Put 4 as the next digit of the answer. 
Result so far: 86087.926544
If we take 2396 away from 2540, we end up with 144.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1440, and continue the process.

In conclusion, the division gives 86087.926544 with a balance of 1.44e-05.