56977473 has 16 divisors (see below), whose sum is σ = 89624576. Its totient is φ = 31507920.

The previous prime is 56977471. The next prime is 56977483. The reversal of 56977473 is 37477965.

It is not a de Polignac number, because 56977473 - 2¹ = 56977471 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56977471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43111 + ... + 44412.

It is an arithmetic number, because the mean of its divisors is an integer number (5601536).

Almost surely, 2^56977473 is an apocalyptic number.

It is an amenable number.

56977473 is a deficient number, since it is larger than the sum of its proper divisors (32647103).

56977473 is a wasteful number, since it uses less digits than its factorization.

56977473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87564.

The product of its digits is 1111320, while the sum is 48.

The square root of 56977473 is about 7548.3424008189. The cubic root of 56977473 is about 384.7994075087.

The spelling of 56977473 in words is "fifty-six million, nine hundred seventy-seven thousand, four hundred seventy-three".