56275977 has 16 divisors (see below), whose sum is σ = 76731200. Its totient is φ = 36676800.

The previous prime is 56275931. The next prime is 56275987. The reversal of 56275977 is 77957265.

It is not a de Polignac number, because 56275977 - 2⁸ = 56275721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56275987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32274 + ... + 33972.

It is an arithmetic number, because the mean of its divisors is an integer number (4795700).

Almost surely, 2^56275977 is an apocalyptic number.

It is an amenable number.

56275977 is a deficient number, since it is larger than the sum of its proper divisors (20455223).

56275977 is a wasteful number, since it uses less digits than its factorization.

56275977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944.

The product of its digits is 926100, while the sum is 48.

The square root of 56275977 is about 7501.7316001041. The cubic root of 56275977 is about 383.2136891051.

The spelling of 56275977 in words is "fifty-six million, two hundred seventy-five thousand, nine hundred seventy-seven".