56318315 has 4 divisors (see below), whose sum is σ = 67581984. Its totient is φ = 45054648.

The previous prime is 56318303. The next prime is 56318321. The reversal of 56318315 is 51381365.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56318315 - 2¹⁰ = 56317291 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5631827 + ... + 5631836.

It is an arithmetic number, because the mean of its divisors is an integer number (16895496).

Almost surely, 2^56318315 is an apocalyptic number.

56318315 is a deficient number, since it is larger than the sum of its proper divisors (11263669).

56318315 is a wasteful number, since it uses less digits than its factorization.

56318315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11263668.

The product of its digits is 10800, while the sum is 32.

The square root of 56318315 is about 7504.5529513756. The cubic root of 56318315 is about 383.3097658269.

The spelling of 56318315 in words is "fifty-six million, three hundred eighteen thousand, three hundred fifteen".