54551413 ÷ 259 
We want to figure out the number of times 54551413 can be divided by 259.

Let's proceed to step 1:
259 goes into 5 0 times with 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.
Include the next digit (4) from the dividend after 5, then repeat: 54 / 259

Step 2:
259 goes into 54 0 times with a remainder of 54.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 54, we end up with 54.
Fetch the next digit (5) from the dividend, attach it to 54 and continue: 545 / 259

Moving on to step 3:
259 can be fit into 545 2 times, resulting in a remainder of 27.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
If we subtract 518 from 545, we get 27.
Grab the next digit (5) from the dividend, add it to 27, then carry on: 275 / 259

Moving on to step 4:
When dividing 275 by 259, we get 1 with a remainder of 16.
Write down 1 as next digit of the result. 
Result so far: 21.0
Subtracting 259 from 275 leaves us with 16.
Take the next digit (1) from the dividend and append it to 16, then repeat: 161 / 259

On to step 5:
259 goes into 161 0 times with a remainder of 161.
Use 0 as the next digit of our solution. 
Result so far: 210.0
The remainder is 161 after subtracting 0 from 161.
Include the next digit (4) from the dividend after 161, then repeat: 1614 / 259

Let's proceed to step 6:
If we divide 1614 by 259, we get 6 and a remainder of 60.
Put 6 as the next digit of the answer. 
Result so far: 2106.0
If we take 1554 away from 1614, we end up with 60.
Bring next digit (1) of the dividend behind the 60 and repeat the process: 601 / 259

Advancing to step 7:
601 divided by 259 is 2 with a remainder of 83.
Put 2 as the next digit of the answer. 
Result so far: 21062.0
If we subtract 518 from 601, we get 83.
Fetch the next digit (3) from the dividend, attach it to 83 and continue: 833 / 259

On to step 8:
833 divided by 259 is 3 with a remainder of 56.
Write down 3 as next digit of the result. 
Result so far: 210623.0
If we take 777 away from 833, we end up with 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Step 9:
259 goes into 560 2 times with a remainder of 42.
The number 2 becomes the next digit in our result. 
Result so far: 210623.2
Deduct 518 from 560 and we're left with 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Moving on to step 10:
The number 259 fits into 420 1 times, leaving a remainder of 161.
Use 1 as the next digit of our solution. 
Result so far: 210623.21
If we take 259 away from 420, we end up with 161.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1610, and continue the process.

On to step 11:
When dividing 1610 by 259, we get 6 with a remainder of 56.
The next digit of our result is 6. 
Result so far: 210623.216
Subtracting 1554 from 1610 leaves us with 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Moving on to step 12:
259 goes into 560 2 times with a remainder of 42.
Write down 2 as next digit of the result. 
Result so far: 210623.2162
Subtracting 518 from 560 leaves us with 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Moving on to step 13:
When dividing 420 by 259, we get 1 with a remainder of 161.
The next digit of our result is 1. 
Result so far: 210623.21621
If we subtract 259 from 420, we get 161.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1610, and continue the process.

Step 14:
The number 259 fits into 1610 6 times, leaving a remainder of 56.
Use 6 as the next digit of our solution. 
Result so far: 210623.216216
The remainder is 56 after subtracting 1554 from 1610.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Moving on to step 15:
When dividing 560 by 259, we get 2 with a remainder of 42.
Record the quotient 2 as the next digit in the result. 
Result so far: 210623.2162162
If we take 518 away from 560, we end up with 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Going ahead to step 16:
When dividing 420 by 259, we get 1 with a remainder of 161.
Record the quotient 1 as the next digit in the result. 
Result so far: 210623.21621621
If we take 259 away from 420, we end up with 161.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1610, and continue the process.

The final outcome is 210623.21621621, with a leftover of 1.61e-07.