56457711 has 12 divisors (see below), whose sum is σ = 81975088. Its totient is φ = 37442304.

The previous prime is 56457703. The next prime is 56457733. The reversal of 56457711 is 11775465.

56457711 is a `hidden beast` number, since 5 + 645 + 7 + 7 + 1 + 1 = 666.

It is not a de Polignac number, because 56457711 - 2³ = 56457703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56457781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14515 + ... + 17988.

Almost surely, 2^56457711 is an apocalyptic number.

56457711 is a deficient number, since it is larger than the sum of its proper divisors (25517377).

56457711 is a wasteful number, since it uses less digits than its factorization.

56457711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32702 (or 32699 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 56457711 is about 7513.8346401821. The cubic root of 56457711 is about 383.6257543573.

The spelling of 56457711 in words is "fifty-six million, four hundred fifty-seven thousand, seven hundred eleven".