56338979 has 4 divisors (see below), whose sum is σ = 56697984. Its totient is φ = 55979976.

The previous prime is 56338951. The next prime is 56338981. The reversal of 56338979 is 97983365.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56338979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56338949) 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, 179267 + ... + 179580.

It is an arithmetic number, because the mean of its divisors is an integer number (14174496).

Almost surely, 2^56338979 is an apocalyptic number.

56338979 is a deficient number, since it is larger than the sum of its proper divisors (359005).

56338979 is a wasteful number, since it uses less digits than its factorization.

56338979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359004.

The product of its digits is 1224720, while the sum is 50.

The square root of 56338979 is about 7505.9295893314. The cubic root of 56338979 is about 383.3566407168.

The spelling of 56338979 in words is "fifty-six million, three hundred thirty-eight thousand, nine hundred seventy-nine".