56309876 has 24 divisors (see below), whose sum is σ = 115241280. Its totient is φ = 23571072.

The previous prime is 56309867. The next prime is 56309881. The reversal of 56309876 is 67890365.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22181 + ... + 24588.

It is an arithmetic number, because the mean of its divisors is an integer number (4801720).

Almost surely, 2^56309876 is an apocalyptic number.

It is an amenable number.

56309876 is an abundant number, since it is smaller than the sum of its proper divisors (58931404).

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

56309876 is a wasteful number, since it uses less digits than its factorization.

56309876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46823 (or 46821 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 56309876 is about 7503.9906716360. The cubic root of 56309876 is about 383.2906192272.

The spelling of 56309876 in words is "fifty-six million, three hundred nine thousand, eight hundred seventy-six".