56610862812 has 36 divisors (see below), whose sum is σ = 163542493296. Its totient is φ = 16174532160.

The previous prime is 56610862771. The next prime is 56610862823. The reversal of 56610862812 is 21826801665.

56610862812 is a `hidden beast` number, since 5 + 6 + 6 + 1 + 0 + 8 + 628 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112322889 + ... + 112323392.

It is an arithmetic number, because the mean of its divisors is an integer number (4542847036).

Almost surely, 2^56610862812 is an apocalyptic number.

It is an amenable number.

56610862812 is an abundant number, since it is smaller than the sum of its proper divisors (106931630484).

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

56610862812 is a wasteful number, since it uses less digits than its factorization.

56610862812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224646298 (or 224646293 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 56610862812 in words is "fifty-six billion, six hundred ten million, eight hundred sixty-two thousand, eight hundred twelve".