56313661 has 8 divisors (see below), whose sum is σ = 58086144. Its totient is φ = 54565200.

The previous prime is 56313659. The next prime is 56313709. The reversal of 56313661 is 16631365.

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 56313661 - 2¹ = 56313659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56313601) 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, 1185 + ... + 10678.

It is an arithmetic number, because the mean of its divisors is an integer number (7260768).

Almost surely, 2^56313661 is an apocalyptic number.

It is an amenable number.

56313661 is a deficient number, since it is larger than the sum of its proper divisors (1772483).

56313661 is a wasteful number, since it uses less digits than its factorization.

56313661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12011.

The product of its digits is 9720, while the sum is 31.

The square root of 56313661 is about 7504.2428665389. The cubic root of 56313661 is about 383.2992069599.

The spelling of 56313661 in words is "fifty-six million, three hundred thirteen thousand, six hundred sixty-one".