56077755 has 32 divisors (see below), whose sum is σ = 93388800. Its totient is φ = 28708992.

The previous prime is 56077753. The next prime is 56077817. The reversal of 56077755 is 55777065.

It is not a de Polignac number, because 56077755 - 2¹ = 56077753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56077753) 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, 43206 + ... + 44484.

It is an arithmetic number, because the mean of its divisors is an integer number (2918400).

Almost surely, 2^56077755 is an apocalyptic number.

56077755 is a deficient number, since it is larger than the sum of its proper divisors (37311045).

56077755 is a wasteful number, since it uses less digits than its factorization.

56077755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403.

The product of its (nonzero) digits is 257250, while the sum is 42.

The square root of 56077755 is about 7488.5081958959. The cubic root of 56077755 is about 382.7632260500.

The spelling of 56077755 in words is "fifty-six million, seventy-seven thousand, seven hundred fifty-five".