56885313 has 4 divisors (see below), whose sum is σ = 75847088. Its totient is φ = 37923540.

The previous prime is 56885303. The next prime is 56885347. The reversal of 56885313 is 31358865.

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 56885313 - 2¹⁸ = 56623169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56885303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9480883 + ... + 9480888.

It is an arithmetic number, because the mean of its divisors is an integer number (18961772).

Almost surely, 2^56885313 is an apocalyptic number.

It is an amenable number.

56885313 is a deficient number, since it is larger than the sum of its proper divisors (18961775).

56885313 is a wasteful number, since it uses less digits than its factorization.

56885313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18961774.

The product of its digits is 86400, while the sum is 39.

The square root of 56885313 is about 7542.2352787486. The cubic root of 56885313 is about 384.5918269274.

The spelling of 56885313 in words is "fifty-six million, eight hundred eighty-five thousand, three hundred thirteen".