56647713 has 4 divisors (see below), whose sum is σ = 75530288. Its totient is φ = 37765140.

The previous prime is 56647681. The next prime is 56647733. The reversal of 56647713 is 31774665.

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 not a de Polignac number, because 56647713 - 2⁵ = 56647681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56647733) 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, 9441283 + ... + 9441288.

It is an arithmetic number, because the mean of its divisors is an integer number (18882572).

Almost surely, 2^56647713 is an apocalyptic number.

It is an amenable number.

56647713 is a deficient number, since it is larger than the sum of its proper divisors (18882575).

56647713 is a wasteful number, since it uses less digits than its factorization.

56647713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18882574.

The product of its digits is 105840, while the sum is 39.

The square root of 56647713 is about 7526.4674981029. The cubic root of 56647713 is about 384.0556220969.

The spelling of 56647713 in words is "fifty-six million, six hundred forty-seven thousand, seven hundred thirteen".