56507877 has 12 divisors (see below), whose sum is σ = 82386720. Its totient is φ = 37319208.

The previous prime is 56507861. The next prime is 56507879. The reversal of 56507877 is 77870565.

56507877 is a `hidden beast` number, since 565 + 0 + 7 + 87 + 7 = 666.

It is not a de Polignac number, because 56507877 - 2⁴ = 56507861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56507879) 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 11 ways as a sum of consecutive naturals, for example, 28377 + ... + 30302.

It is an arithmetic number, because the mean of its divisors is an integer number (6865560).

Almost surely, 2^56507877 is an apocalyptic number.

It is an amenable number.

56507877 is a deficient number, since it is larger than the sum of its proper divisors (25878843).

56507877 is a wasteful number, since it uses less digits than its factorization.

56507877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58792 (or 58789 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 45.

The square root of 56507877 is about 7517.1721411712. The cubic root of 56507877 is about 383.7393454090.

The spelling of 56507877 in words is "fifty-six million, five hundred seven thousand, eight hundred seventy-seven".