56318915 has 8 divisors (see below), whose sum is σ = 68214960. Its totient is φ = 44633632.

The previous prime is 56318893. The next prime is 56318917. The reversal of 56318915 is 51981365.

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 56318915 - 2²⁰ = 55270339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56318917) 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, 52100 + ... + 53169.

It is an arithmetic number, because the mean of its divisors is an integer number (8526870).

Almost surely, 2^56318915 is an apocalyptic number.

56318915 is a deficient number, since it is larger than the sum of its proper divisors (11896045).

56318915 is a wasteful number, since it uses less digits than its factorization.

56318915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105381.

The product of its digits is 32400, while the sum is 38.

The square root of 56318915 is about 7504.5929270014. The cubic root of 56318915 is about 383.3111270480.

The spelling of 56318915 in words is "fifty-six million, three hundred eighteen thousand, nine hundred fifteen".