56815082576 has 40 divisors (see below), whose sum is σ = 132426137280. Its totient is φ = 23067777024.

The previous prime is 56815082573. The next prime is 56815082587. The reversal of 56815082576 is 67528051865.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56815082573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13347281 + ... + 13351536.

It is an arithmetic number, because the mean of its divisors is an integer number (3310653432).

Almost surely, 2^56815082576 is an apocalyptic number.

56815082576 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56815082576 is an abundant number, since it is smaller than the sum of its proper divisors (75611054704).

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

56815082576 is a wasteful number, since it uses less digits than its factorization.

56815082576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26698851 (or 26698845 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 53.

The spelling of 56815082576 in words is "fifty-six billion, eight hundred fifteen million, eighty-two thousand, five hundred seventy-six".