54728424 has 24 divisors (see below), whose sum is σ = 148223010. Its totient is φ = 18242784.

The previous prime is 54728413. The next prime is 54728441. The reversal of 54728424 is 42482745.

It can be written as a sum of positive squares in only one way, i.e., 43956900 + 10771524 = 6630^2 + 3282^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 379987 + ... + 380130.

Almost surely, 2^54728424 is an apocalyptic number.

It is an amenable number.

54728424 is an abundant number, since it is smaller than the sum of its proper divisors (93494586).

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

54728424 is a wasteful number, since it uses less digits than its factorization.

54728424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760129 (or 760122 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 54728424 is about 7397.8661788383. The cubic root of 54728424 is about 379.6682792993.

The spelling of 54728424 in words is "fifty-four million, seven hundred twenty-eight thousand, four hundred twenty-four".