56791864 has 8 divisors (see below), whose sum is σ = 106484760. Its totient is φ = 28395928.

The previous prime is 56791859. The next prime is 56791871. The reversal of 56791864 is 46819765.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) 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 as a sum of consecutive naturals, namely, 3549484 + ... + 3549499.

It is an arithmetic number, because the mean of its divisors is an integer number (13310595).

Almost surely, 2^56791864 is an apocalyptic number.

It is an amenable number.

56791864 is a deficient number, since it is larger than the sum of its proper divisors (49692896).

56791864 is a wasteful number, since it uses less digits than its factorization.

56791864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7098989 (or 7098985 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 56791864 is about 7536.0376856807. The cubic root of 56791864 is about 384.3811139574.

The spelling of 56791864 in words is "fifty-six million, seven hundred ninety-one thousand, eight hundred sixty-four".