56516315 has 8 divisors (see below), whose sum is σ = 67895520. Its totient is φ = 45162432.

The previous prime is 56516311. The next prime is 56516321. The reversal of 56516315 is 51361565.

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 56516315 - 2² = 56516311 is a prime.

It is a super-2 number, since 2×56516315² = 6388187722358450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56516311) 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, 1010 + ... + 10679.

It is an arithmetic number, because the mean of its divisors is an integer number (8486940).

Almost surely, 2^56516315 is an apocalyptic number.

56516315 is a deficient number, since it is larger than the sum of its proper divisors (11379205).

56516315 is a wasteful number, since it uses less digits than its factorization.

56516315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12661.

The product of its digits is 13500, while the sum is 32.

The square root of 56516315 is about 7517.7333685094. The cubic root of 56516315 is about 383.7584449966.

The spelling of 56516315 in words is "fifty-six million, five hundred sixteen thousand, three hundred fifteen".