56904231 has 8 divisors (see below), whose sum is σ = 79171200. Its totient is φ = 36286712.

The previous prime is 56904229. The next prime is 56904233. The reversal of 56904231 is 13240965.

It is an interprime number because it is at equal distance from previous prime (56904229) and next prime (56904233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56904231 - 2¹ = 56904229 is a prime.

It is a super-2 number, since 2×56904231² = 6476183011402722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56904233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412281 + ... + 412418.

It is an arithmetic number, because the mean of its divisors is an integer number (9896400).

Almost surely, 2^56904231 is an apocalyptic number.

56904231 is a deficient number, since it is larger than the sum of its proper divisors (22266969).

56904231 is a wasteful number, since it uses less digits than its factorization.

56904231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824725.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 56904231 is about 7543.4893119829. The cubic root of 56904231 is about 384.6344559846.

The spelling of 56904231 in words is "fifty-six million, nine hundred four thousand, two hundred thirty-one".