56809296 has 80 divisors (see below), whose sum is σ = 164721600. Its totient is φ = 18744192.

The previous prime is 56809261. The next prime is 56809307. The reversal of 56809296 is 69290865.

56809296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56809296² = 6454592224031232, which contains 22 as substring.

It is a congruent number.

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, 45610 + ... + 46838.

It is an arithmetic number, because the mean of its divisors is an integer number (2059020).

Almost surely, 2^56809296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56809296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82360800).

56809296 is an abundant number, since it is smaller than the sum of its proper divisors (107912304).

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

56809296 is a wasteful number, since it uses less digits than its factorization.

56809296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 56809296 is about 7537.1941729002. The cubic root of 56809296 is about 384.4204379360.

The spelling of 56809296 in words is "fifty-six million, eight hundred nine thousand, two hundred ninety-six".