56290923 has 16 divisors (see below), whose sum is σ = 89809440. Its totient is φ = 34640352.

The previous prime is 56290919. The next prime is 56290951. The reversal of 56290923 is 32909265.

56290923 is a `hidden beast` number, since 5 + 629 + 0 + 9 + 23 = 666.

It is not a de Polignac number, because 56290923 - 2² = 56290919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56290973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79836 + ... + 80537.

It is an arithmetic number, because the mean of its divisors is an integer number (5613090).

Almost surely, 2^56290923 is an apocalyptic number.

56290923 is a deficient number, since it is larger than the sum of its proper divisors (33518517).

56290923 is a wasteful number, since it uses less digits than its factorization.

56290923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160395 (or 160389 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 56290923 is about 7502.7277039754. The cubic root of 56290923 is about 383.2476112458.

The spelling of 56290923 in words is "fifty-six million, two hundred ninety thousand, nine hundred twenty-three".