56610278864 has 10 divisors (see below), whose sum is σ = 109682415330. Its totient is φ = 28305139424.

The previous prime is 56610278863. The next prime is 56610278941. The reversal of 56610278864 is 46887201665.

It is a happy number.

56610278864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 49755763600 + 6854515264 = 223060^2 + 82792^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56610278863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1769071199 + ... + 1769071230.

It is an arithmetic number, because the mean of its divisors is an integer number (10968241533).

Almost surely, 2^56610278864 is an apocalyptic number.

It is an amenable number.

56610278864 is a deficient number, since it is larger than the sum of its proper divisors (53072136466).

56610278864 is a wasteful number, since it uses less digits than its factorization.

56610278864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538142437 (or 3538142431 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 56610278864 in words is "fifty-six billion, six hundred ten million, two hundred seventy-eight thousand, eight hundred sixty-four".