No, 4,554 divided by 9 is 506 with remainder 0
Add the digits. If they sum to '9' , then it will divide by '9' , without a remainder. Hence 4554 ; 4 + 5 + 5 + 4 = 18 = 1 + 8 = 9
506
506
9.7778
38.1111
506
19
9.875
25 divided by 9 is 2 with remainder 7
47.7778
46.1111