57164472 has 48 divisors (see below), whose sum is σ = 163931040. Its totient is φ = 17933568.

The previous prime is 57164431. The next prime is 57164491. The reversal of 57164472 is 27446175.

57164472 is a `hidden beast` number, since 5 + 7 + 1 + 644 + 7 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22128 + ... + 24575.

It is an arithmetic number, because the mean of its divisors is an integer number (3415230).

Almost surely, 2^57164472 is an apocalyptic number.

It is an amenable number.

57164472 is an abundant number, since it is smaller than the sum of its proper divisors (106766568).

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

57164472 is a wasteful number, since it uses less digits than its factorization.

57164472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46732 (or 46725 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 57164472 is about 7560.7190134272. The cubic root of 57164472 is about 385.2199159612.

The spelling of 57164472 in words is "fifty-seven million, one hundred sixty-four thousand, four hundred seventy-two".