56809896 has 64 divisors (see below), whose sum is σ = 166864320. Its totient is φ = 15889920.

The previous prime is 56809889. The next prime is 56809933. The reversal of 56809896 is 69890865.

56809896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4845 + ... + 11708.

It is an arithmetic number, because the mean of its divisors is an integer number (2607255).

Almost surely, 2^56809896 is an apocalyptic number.

It is an amenable number.

56809896 is an abundant number, since it is smaller than the sum of its proper divisors (110054424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56809896 is a wasteful number, since it uses less digits than its factorization.

56809896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16586 (or 16582 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The square root of 56809896 is about 7537.2339754050. The cubic root of 56809896 is about 384.4217913028.

It can be divided in two parts, 5680 and 9896, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 56809896 in words is "fifty-six million, eight hundred nine thousand, eight hundred ninety-six".