56913315 has 16 divisors (see below), whose sum is σ = 91162368. Its totient is φ = 30320096.

The previous prime is 56913299. The next prime is 56913317. The reversal of 56913315 is 51331965.

It is a cyclic number.

It is not a de Polignac number, because 56913315 - 2⁴ = 56913299 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (56913317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18154 + ... + 21056.

It is an arithmetic number, because the mean of its divisors is an integer number (5697648).

Almost surely, 2^56913315 is an apocalyptic number.

56913315 is a deficient number, since it is larger than the sum of its proper divisors (34249053).

56913315 is a wasteful number, since it uses less digits than its factorization.

56913315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218.

The product of its digits is 12150, while the sum is 33.

The square root of 56913315 is about 7544.0913965832. The cubic root of 56913315 is about 384.6549221458.

The spelling of 56913315 in words is "fifty-six million, nine hundred thirteen thousand, three hundred fifteen".