56476999680 has 112 divisors (see below), whose sum is σ = 180715761504. Its totient is φ = 15060500480.

The previous prime is 56476999661. The next prime is 56476999687. The reversal of 56476999680 is 8699967465.

It is not an unprimeable number, because it can be changed into a prime (56476999687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106926 + ... + 352685.

Almost surely, 2^56476999680 is an apocalyptic number.

It is an amenable number.

56476999680 is an abundant number, since it is smaller than the sum of its proper divisors (124238761824).

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

56476999680 is an equidigital number, since it uses as much as digits as its factorization.

56476999680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459645 (or 459621 counting only the distinct ones).

The product of its (nonzero) digits is 176359680, while the sum is 69.

The spelling of 56476999680 in words is "fifty-six billion, four hundred seventy-six million, nine hundred ninety-nine thousand, six hundred eighty".