56316172 has 24 divisors (see below), whose sum is σ = 113838480. Its totient is φ = 24092160.

The previous prime is 56316137. The next prime is 56316229. The reversal of 56316172 is 27161365.

It is a super-2 number, since 2×56316172² = 6343022457467168, which contains 22 as substring.

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, 36897 + ... + 38392.

It is an arithmetic number, because the mean of its divisors is an integer number (4743270).

Almost surely, 2^56316172 is an apocalyptic number.

It is an amenable number.

56316172 is an abundant number, since it is smaller than the sum of its proper divisors (57522308).

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

56316172 is a wasteful number, since it uses less digits than its factorization.

56316172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75321 (or 75319 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 56316172 is about 7504.4101700267. The cubic root of 56316172 is about 383.3049039198.

The spelling of 56316172 in words is "fifty-six million, three hundred sixteen thousand, one hundred seventy-two".