56865278526 has 32 divisors (see below), whose sum is σ = 130238304000. Its totient is φ = 16214656896.

The previous prime is 56865278501. The next prime is 56865278537. The reversal of 56865278526 is 62587256865.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56865278526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1335691 + ... + 1377606.

It is an arithmetic number, because the mean of its divisors is an integer number (4069947000).

Almost surely, 2^56865278526 is an apocalyptic number.

56865278526 is an abundant number, since it is smaller than the sum of its proper divisors (73373025474).

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

56865278526 is a wasteful number, since it uses less digits than its factorization.

56865278526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713808.

The product of its digits is 48384000, while the sum is 60.

The spelling of 56865278526 in words is "fifty-six billion, eight hundred sixty-five million, two hundred seventy-eight thousand, five hundred twenty-six".