56808976 has 40 divisors (see below), whose sum is σ = 127938240. Its totient is φ = 23931264.

The previous prime is 56808959. The next prime is 56809009. The reversal of 56808976 is 67980865.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2310 + ... + 10906.

It is an arithmetic number, because the mean of its divisors is an integer number (3198456).

It is a vampire number, since it can be written as 6608 ⋅ 8597 (with its own digits).

Almost surely, 2^56808976 is an apocalyptic number.

56808976 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56808976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63969120).

56808976 is an abundant number, since it is smaller than the sum of its proper divisors (71129264).

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

56808976 is a wasteful number, since it uses less digits than its factorization.

56808976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8671 (or 8665 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 56808976 is about 7537.1729448116. The cubic root of 56808976 is about 384.4197161365.

The spelling of 56808976 in words is "fifty-six million, eight hundred eight thousand, nine hundred seventy-six".