56791779 has 32 divisors (see below), whose sum is σ = 88646400. Its totient is φ = 31973760.

The previous prime is 56791769. The next prime is 56791799. The reversal of 56791779 is 97719765.

56791779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56791779 - 2¹¹ = 56789731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56791759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32377 + ... + 34085.

It is an arithmetic number, because the mean of its divisors is an integer number (2770200).

Almost surely, 2^56791779 is an apocalyptic number.

56791779 is a deficient number, since it is larger than the sum of its proper divisors (31854621).

56791779 is a wasteful number, since it uses less digits than its factorization.

56791779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795.

The product of its digits is 833490, while the sum is 51.

The square root of 56791779 is about 7536.0320461102. The cubic root of 56791779 is about 384.3809221905.

The spelling of 56791779 in words is "fifty-six million, seven hundred ninety-one thousand, seven hundred seventy-nine".