56512116 has 18 divisors (see below), whose sum is σ = 142850162. Its totient is φ = 18837360.

The previous prime is 56512037. The next prime is 56512139. The reversal of 56512116 is 61121565.

It is a happy number.

56512116 is a `hidden beast` number, since 5 + 651 + 2 + 1 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 31472100 + 25040016 = 5610^2 + 5004^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 56512116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 784855 + ... + 784926.

Almost surely, 2^56512116 is an apocalyptic number.

It is an amenable number.

56512116 is an abundant number, since it is smaller than the sum of its proper divisors (86338046).

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

56512116 is a wasteful number, since it uses less digits than its factorization.

56512116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569791 (or 1569786 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 56512116 is about 7517.4540903154. The cubic root of 56512116 is about 383.7489407109.

The spelling of 56512116 in words is "fifty-six million, five hundred twelve thousand, one hundred sixteen".