56974813 has 8 divisors (see below), whose sum is σ = 65178432. Its totient is φ = 48787296.

The previous prime is 56974777. The next prime is 56974823. The reversal of 56974813 is 31847965.

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 56974813 - 2¹³ = 56966621 is a prime.

It is a super-2 number, since 2×56974813² = 6492258632769938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56974813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56974823) 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 7 ways as a sum of consecutive naturals, for example, 4881 + ... + 11737.

It is an arithmetic number, because the mean of its divisors is an integer number (8147304).

Almost surely, 2^56974813 is an apocalyptic number.

It is an amenable number.

56974813 is a deficient number, since it is larger than the sum of its proper divisors (8203619).

56974813 is a wasteful number, since it uses less digits than its factorization.

56974813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8051.

The product of its digits is 181440, while the sum is 43.

The square root of 56974813 is about 7548.1662011379. The cubic root of 56974813 is about 384.7934192804.

The spelling of 56974813 in words is "fifty-six million, nine hundred seventy-four thousand, eight hundred thirteen".