56355923 has 18 divisors (see below), whose sum is σ = 63238212. Its totient is φ = 50197680.

The previous prime is 56355899. The next prime is 56355931. The reversal of 56355923 is 32955365.

It is not a de Polignac number, because 56355923 - 2⁸ = 56355667 is a prime.

It is a super-3 number, since 3×56355923³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56355953) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 162236 + ... + 162582.

It is an arithmetic number, because the mean of its divisors is an integer number (3513234).

Almost surely, 2^56355923 is an apocalyptic number.

56355923 is a deficient number, since it is larger than the sum of its proper divisors (6882289).

56355923 is a wasteful number, since it uses less digits than its factorization.

56355923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 391 counting only the distinct ones).

The product of its digits is 121500, while the sum is 38.

The square root of 56355923 is about 7507.0582121095. The cubic root of 56355923 is about 383.3950684860.

The spelling of 56355923 in words is "fifty-six million, three hundred fifty-five thousand, nine hundred twenty-three".