56512876 has 72 divisors (see below), whose sum is σ = 121347072. Its totient is φ = 22932000.

The previous prime is 56512873. The next prime is 56512891. The reversal of 56512876 is 67821565.

It is a nialpdrome in base 14.

It is a zygodrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (56512871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 431331 + ... + 431461.

It is an arithmetic number, because the mean of its divisors is an integer number (1685376).

Almost surely, 2^56512876 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 56512876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60673536).

56512876 is an abundant number, since it is smaller than the sum of its proper divisors (64834196).

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

56512876 is a wasteful number, since it uses less digits than its factorization.

56512876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 242 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 56512876 is about 7517.5046391738. The cubic root of 56512876 is about 383.7506609785.

The spelling of 56512876 in words is "fifty-six million, five hundred twelve thousand, eight hundred seventy-six".