5404 ÷ 1 = 5404 R0
Alright, let's work through the division of 5404 by 1 step by step.

Step 1:
1 goes into 5 5 times with a remainder of 0.
Write down 5 as next digit of of the result. 
Result so far: 5
Subtract 5 from 5 to get 0.
Bring next digit (4) of the dividend behind the 0 and repeat the process: 4 / 1

Step 2:
1 goes into 4 4 times with a remainder of 0.
Write down 4 as next digit of of the result. 
Result so far: 54
Subtract 4 from 4 to get 0.
Bring next digit (0) of the dividend behind the 0 and repeat the process: 0 / 1

Step 3:
1 goes into 0 0 times with a remainder of 0.
Write down 0 as next digit of of the result. 
Result so far: 540
Subtract 0 from 0 to get 0.
Bring next digit (4) of the dividend behind the 0 and repeat the process: 4 / 1

Step 4:
1 goes into 4 4 times with a remainder of 0.
Write down 4 as next digit of of the result. 
Result so far: 5404
Subtract 4 from 4 to get 0.

The final result is 5404 with a remainder of 0.