56115172 has 12 divisors (see below), whose sum is σ = 100485616. Its totient is φ = 27405000.

The previous prime is 56115167. The next prime is 56115197. The reversal of 56115172 is 27151165.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 56115172.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162954 + ... + 163297.

Almost surely, 2^56115172 is an apocalyptic number.

It is an amenable number.

56115172 is a deficient number, since it is larger than the sum of its proper divisors (44370444).

56115172 is a wasteful number, since it uses less digits than its factorization.

56115172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326298 (or 326296 counting only the distinct ones).

The product of its digits is 2100, while the sum is 28.

The square root of 56115172 is about 7491.0060739530. The cubic root of 56115172 is about 382.8483380370.

The spelling of 56115172 in words is "fifty-six million, one hundred fifteen thousand, one hundred seventy-two".