We look at the division of 545883 by 1 
We want to divide 545883 by 1.

Moving on to step 1:
The number 1 fits into 5 5 times, leaving a remainder of 0.
Write down 5 as next digit of the result. 
Result so far: 5.0
Deduct 5 from 5 and we're left with 0.
Grab the next digit (4) from the dividend, add it to 0, then carry on: 4 / 1

On to step 2:
The number 1 fits into 4 4 times, leaving a remainder of 0.
Write down 4 as next digit of the result. 
Result so far: 54.0
Deduct 4 from 4 and we're left with 0.
Include the next digit (5) from the dividend after 0, then repeat: 5 / 1

Moving on to step 3:
5 divided by 1 is 5 with a remainder of 0.
Put 5 as the next digit of the answer. 
Result so far: 545.0
The remainder is 0 after subtracting 5 from 5.
Take the next digit (8) from the dividend and append it to 0, then repeat: 8 / 1

Advancing to step 4:
8 divided by 1 is 8 with a remainder of 0.
Record the quotient 8 as the next digit in the result. 
Result so far: 5458.0
Subtracting 8 from 8 leaves us with 0.
Append the next digit (8) from the dividend to 0 and continue with: 8 / 1

Advancing to step 5:
The number 1 fits into 8 8 times, leaving a remainder of 0.
Write down 8 as next digit of the result. 
Result so far: 54588.0
Subtract 8 from 8 to get 0.
Take the next digit (3) from the dividend and append it to 0, then repeat: 3 / 1

On to step 6:
If we divide 3 by 1, we get 3 and a remainder of 0.
Use 3 as the next digit of our solution. 
Result so far: 545883.0
Subtract 3 from 3 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 7:
0 divided by 1 is 0 with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 545883.0
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 8:
0 divided by 1 is 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 545883.0
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final outcome is 545883.0, with a leftover of 0.0.