56172892 has 12 divisors (see below), whose sum is σ = 103476520. Its totient is φ = 26608176.

The previous prime is 56172889. The next prime is 56172917. The reversal of 56172892 is 29827165.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 369483 + ... + 369634.

Almost surely, 2^56172892 is an apocalyptic number.

It is an amenable number.

56172892 is a deficient number, since it is larger than the sum of its proper divisors (47303628).

56172892 is a wasteful number, since it uses less digits than its factorization.

56172892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739140 (or 739138 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 56172892 is about 7494.8577037860. The cubic root of 56172892 is about 382.9795588397.

The spelling of 56172892 in words is "fifty-six million, one hundred seventy-two thousand, eight hundred ninety-two".