56656355 has 16 divisors (see below), whose sum is σ = 78184704. Its totient is φ = 38607840.

The previous prime is 56656349. The next prime is 56656357. The reversal of 56656355 is 55365665.

It is not a de Polignac number, because 56656355 - 2¹⁸ = 56394211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56656357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 740 + ... + 10670.

It is an arithmetic number, because the mean of its divisors is an integer number (4886544).

Almost surely, 2^56656355 is an apocalyptic number.

56656355 is a deficient number, since it is larger than the sum of its proper divisors (21528349).

56656355 is a wasteful number, since it uses less digits than its factorization.

56656355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10106.

The product of its digits is 405000, while the sum is 41.

The square root of 56656355 is about 7527.0415835174. The cubic root of 56656355 is about 384.0751512167.

The spelling of 56656355 in words is "fifty-six million, six hundred fifty-six thousand, three hundred fifty-five".