54941898 divided by 861 
We want to figure out the number of times 54941898 can be divided by 861.

On to step 1:
If we divide 5 by 861, we get 0 and a remainder of 5.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 5, we end up with 5.
Bring next digit (4) of the dividend behind the 5 and repeat the process: 54 / 861

Going ahead to step 2:
861 can be fit into 54 0 times, resulting in a remainder of 54.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 54, we get 54.
Include the next digit (9) from the dividend after 54, then repeat: 549 / 861

Going ahead to step 3:
If we divide 549 by 861, we get 0 and a remainder of 549.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 549, we end up with 549.
Append the next digit (4) from the dividend to 549 and continue with: 5494 / 861

Moving on to step 4:
861 can be fit into 5494 6 times, resulting in a remainder of 328.
Write down 6 as next digit of the result. 
Result so far: 6.0
If we take 5166 away from 5494, we end up with 328.
Take the next digit (1) from the dividend and append it to 328, then repeat: 3281 / 861

Let's proceed to step 5:
The number 861 fits into 3281 3 times, leaving a remainder of 698.
Use 3 as the next digit of our solution. 
Result so far: 63.0
Subtract 2583 from 3281 to get 698.
Append the next digit (8) from the dividend to 698 and continue with: 6988 / 861

Going ahead to step 6:
When dividing 6988 by 861, we get 8 with a remainder of 100.
Write down 8 as next digit of the result. 
Result so far: 638.0
The remainder is 100 after subtracting 6888 from 6988.
Append the next digit (9) from the dividend to 100 and continue with: 1009 / 861

Step 7:
When dividing 1009 by 861, we get 1 with a remainder of 148.
Use 1 as the next digit of our solution. 
Result so far: 6381.0
If we subtract 861 from 1009, we get 148.
Grab the next digit (8) from the dividend, add it to 148, then carry on: 1488 / 861

Step 8:
The number 861 fits into 1488 1 times, leaving a remainder of 627.
The next digit of our result is 1. 
Result so far: 63811.0
If we take 861 away from 1488, we end up with 627.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6270, and continue the process.

Advancing to step 9:
The number 861 fits into 6270 7 times, leaving a remainder of 243.
Write down 7 as next digit of the result. 
Result so far: 63811.7
The remainder is 243 after subtracting 6027 from 6270.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2430, and continue the process.

Going ahead to step 10:
861 goes into 2430 2 times with a remainder of 708.
Put 2 as the next digit of the answer. 
Result so far: 63811.72
Deduct 1722 from 2430 and we're left with 708.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7080, and continue the process.

Advancing to step 11:
The number 861 fits into 7080 8 times, leaving a remainder of 192.
Use 8 as the next digit of our solution. 
Result so far: 63811.728
Deduct 6888 from 7080 and we're left with 192.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1920, and continue the process.

Going ahead to step 12:
861 can be fit into 1920 2 times, resulting in a remainder of 198.
Use 2 as the next digit of our solution. 
Result so far: 63811.7282
If we take 1722 away from 1920, we end up with 198.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1980, and continue the process.

Advancing to step 13:
1980 divided by 861 is 2 with a remainder of 258.
The number 2 becomes the next digit in our result. 
Result so far: 63811.72822
Subtracting 1722 from 1980 leaves us with 258.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2580, and continue the process.

The final result is 63811.72822 with a remainder of 0.000258.