56712276 has 18 divisors (see below), whose sum is σ = 143356122. Its totient is φ = 18904080.

The previous prime is 56712269. The next prime is 56712277. The reversal of 56712276 is 67221765.

56712276 is a `hidden beast` number, since 567 + 1 + 22 + 76 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37527876 + 19184400 = 6126^2 + 4380^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1575341 = 56712276 / (5 + 6 + 7 + 1 + 2 + 2 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 56712276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56712277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 787635 + ... + 787706.

It is an arithmetic number, because the mean of its divisors is an integer number (7964229).

Almost surely, 2^56712276 is an apocalyptic number.

It is an amenable number.

56712276 is an abundant number, since it is smaller than the sum of its proper divisors (86643846).

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

56712276 is a wasteful number, since it uses less digits than its factorization.

56712276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575351 (or 1575346 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 56712276 is about 7530.7553406016. The cubic root of 56712276 is about 384.2014730508.

The spelling of 56712276 in words is "fifty-six million, seven hundred twelve thousand, two hundred seventy-six".