54727728 has 40 divisors (see below), whose sum is σ = 154234176. Its totient is φ = 16584000.

The previous prime is 54727697. The next prime is 54727753. The reversal of 54727728 is 82772745.

It is a self number, because there is not a number n which added to its sum of digits gives 54727728.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51298 + ... + 52353.

Almost surely, 2^54727728 is an apocalyptic number.

It is an amenable number.

54727728 is an abundant number, since it is smaller than the sum of its proper divisors (99506448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54727728 is a wasteful number, since it uses less digits than its factorization.

54727728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103673 (or 103667 counting only the distinct ones).

The product of its digits is 219520, while the sum is 42.

The square root of 54727728 is about 7397.8191380974. The cubic root of 54727728 is about 379.6666698356. Note that the first 5 decimals are identical.

It can be divided in two parts, 54727 and 728, that added together give a palindrome (55455).

The spelling of 54727728 in words is "fifty-four million, seven hundred twenty-seven thousand, seven hundred twenty-eight".