56554673660 has 24 divisors (see below), whose sum is σ = 119361631200. Its totient is φ = 22508190144.

The previous prime is 56554673639. The next prime is 56554673677. The reversal of 56554673660 is 6637645565.

It is a happy number.

It is a super-3 number, since 3×56554673660³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7100879 + ... + 7108838.

It is an arithmetic number, because the mean of its divisors is an integer number (4973401300).

Almost surely, 2^56554673660 is an apocalyptic number.

It is an amenable number.

56554673660 is an abundant number, since it is smaller than the sum of its proper divisors (62806957540).

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

56554673660 is a wasteful number, since it uses less digits than its factorization.

56554673660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14209925 (or 14209923 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 53.

The spelling of 56554673660 in words is "fifty-six billion, five hundred fifty-four million, six hundred seventy-three thousand, six hundred sixty".