56715715 has 8 divisors (see below), whose sum is σ = 77781600. Its totient is φ = 38890752.

The previous prime is 56715713. The next prime is 56715719. The reversal of 56715715 is 51751765.

56715715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56715715 - 2¹ = 56715713 is a prime.

It is a super-2 number, since 2×56715715² = 6433344655922450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56715713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810190 + ... + 810259.

It is an arithmetic number, because the mean of its divisors is an integer number (9722700).

Almost surely, 2^56715715 is an apocalyptic number.

56715715 is a deficient number, since it is larger than the sum of its proper divisors (21065885).

56715715 is a wasteful number, since it uses less digits than its factorization.

56715715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620461.

The product of its digits is 36750, while the sum is 37.

The square root of 56715715 is about 7530.9836674899. The cubic root of 56715715 is about 384.2092388131.

The spelling of 56715715 in words is "fifty-six million, seven hundred fifteen thousand, seven hundred fifteen".