56309877 has 32 divisors (see below), whose sum is σ = 90572160. Its totient is φ = 34369920.

The previous prime is 56309867. The next prime is 56309881. The reversal of 56309877 is 77890365.

It is a happy number.

56309877 is a `hidden beast` number, since 5 + 630 + 9 + 8 + 7 + 7 = 666.

It is not a de Polignac number, because 56309877 - 2¹¹ = 56307829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56309837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47502 + ... + 48672.

It is an arithmetic number, because the mean of its divisors is an integer number (2830380).

Almost surely, 2^56309877 is an apocalyptic number.

It is an amenable number.

56309877 is a deficient number, since it is larger than the sum of its proper divisors (34262283).

56309877 is a wasteful number, since it uses less digits than its factorization.

56309877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 56309877 is about 7503.9907382672. The cubic root of 56309877 is about 383.2906214961.

The spelling of 56309877 in words is "fifty-six million, three hundred nine thousand, eight hundred seventy-seven".