56797911 has 6 divisors (see below), whose sum is σ = 82041440. Its totient is φ = 37865268.

The previous prime is 56797907. The next prime is 56797913. The reversal of 56797911 is 11979765.

56797911 is a `hidden beast` number, since 567 + 9 + 79 + 11 = 666.

It is not a de Polignac number, because 56797911 - 2² = 56797907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56797913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3155431 + ... + 3155448.

Almost surely, 2^56797911 is an apocalyptic number.

56797911 is a deficient number, since it is larger than the sum of its proper divisors (25243529).

56797911 is a wasteful number, since it uses less digits than its factorization.

56797911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6310885 (or 6310882 counting only the distinct ones).

The product of its digits is 119070, while the sum is 45.

The square root of 56797911 is about 7536.4388805324. The cubic root of 56797911 is about 384.3947559943.

The spelling of 56797911 in words is "fifty-six million, seven hundred ninety-seven thousand, nine hundred eleven".