56933279 has 4 divisors (see below), whose sum is σ = 61312776. Its totient is φ = 52553784.

The previous prime is 56933251. The next prime is 56933281. The reversal of 56933279 is 97233965.

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-56933279 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 (56933249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189729 + ... + 2189754.

It is an arithmetic number, because the mean of its divisors is an integer number (15328194).

Almost surely, 2^56933279 is an apocalyptic number.

56933279 is a deficient number, since it is larger than the sum of its proper divisors (4379497).

56933279 is a wasteful number, since it uses less digits than its factorization.

56933279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379496.

The product of its digits is 306180, while the sum is 44.

The square root of 56933279 is about 7545.4144352713. The cubic root of 56933279 is about 384.6998931871.

The spelling of 56933279 in words is "fifty-six million, nine hundred thirty-three thousand, two hundred seventy-nine".