56713081 has 4 divisors (see below), whose sum is σ = 59698000. Its totient is φ = 53728164.

The previous prime is 56713061. The next prime is 56713091. The reversal of 56713081 is 18031765.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56713081 - 2⁵ = 56713049 is a prime.

It is a super-2 number, since 2×56713081² = 6432747113025122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56713051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1492431 + ... + 1492468.

It is an arithmetic number, because the mean of its divisors is an integer number (14924500).

Almost surely, 2^56713081 is an apocalyptic number.

It is an amenable number.

56713081 is a deficient number, since it is larger than the sum of its proper divisors (2984919).

56713081 is a wasteful number, since it uses less digits than its factorization.

56713081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984918.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 56713081 is about 7530.8087879059. The cubic root of 56713081 is about 384.2032908861.

The spelling of 56713081 in words is "fifty-six million, seven hundred thirteen thousand, eighty-one".