56276567880 has 64 divisors (see below), whose sum is σ = 181816608960. Its totient is φ = 13852693248.

The previous prime is 56276567861. The next prime is 56276567881. The reversal of 56276567880 is 8876567265.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (56276567881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18035802 + ... + 18038921.

It is an arithmetic number, because the mean of its divisors is an integer number (2840884515).

Almost surely, 2^56276567880 is an apocalyptic number.

It is an amenable number.

56276567880 is an abundant number, since it is smaller than the sum of its proper divisors (125540041080).

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

56276567880 is a wasteful number, since it uses less digits than its factorization.

56276567880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36074750 (or 36074746 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 56276567880 in words is "fifty-six billion, two hundred seventy-six million, five hundred sixty-seven thousand, eight hundred eighty".