56918679 has 4 divisors (see below), whose sum is σ = 75891576. Its totient is φ = 37945784.

The previous prime is 56918663. The next prime is 56918683. The reversal of 56918679 is 97681965.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56918679 - 2⁴ = 56918663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56918639) 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, 9486444 + ... + 9486449.

It is an arithmetic number, because the mean of its divisors is an integer number (18972894).

Almost surely, 2^56918679 is an apocalyptic number.

56918679 is a deficient number, since it is larger than the sum of its proper divisors (18972897).

56918679 is a wasteful number, since it uses less digits than its factorization.

56918679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18972896.

The product of its digits is 816480, while the sum is 51.

The square root of 56918679 is about 7544.4468982159. The cubic root of 56918679 is about 384.6670061615.

The spelling of 56918679 in words is "fifty-six million, nine hundred eighteen thousand, six hundred seventy-nine".