56265977 has 4 divisors (see below), whose sum is σ = 56764020. Its totient is φ = 55767936.

The previous prime is 56265947. The next prime is 56265983. The reversal of 56265977 is 77956265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77956265 = 5 ⋅15591253.

It can be written as a sum of positive squares in 2 ways, for example, as 674041 + 55591936 = 821^2 + 7456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56265977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56265907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248852 + ... + 249077.

It is an arithmetic number, because the mean of its divisors is an integer number (14191005).

Almost surely, 2^56265977 is an apocalyptic number.

It is an amenable number.

56265977 is a deficient number, since it is larger than the sum of its proper divisors (498043).

56265977 is a wasteful number, since it uses less digits than its factorization.

56265977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498042.

The product of its digits is 793800, while the sum is 47.

The square root of 56265977 is about 7501.0650577101. The cubic root of 56265977 is about 383.1909892836.

The spelling of 56265977 in words is "fifty-six million, two hundred sixty-five thousand, nine hundred seventy-seven".