55002637887664 has 20 divisors (see below), whose sum is σ = 106568109796456. Its totient is φ = 27501190198272.

The previous prime is 55002637887611. The next prime is 55002637887677. The reversal of 55002637887664 is 46678873620055.

It is a self number, because there is not a number n which added to its sum of digits gives 55002637887664.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4473969 + ... + 11402704.

Almost surely, 2^{55002637887664} is an apocalyptic number.

It is an amenable number.

55002637887664 is a deficient number, since it is larger than the sum of its proper divisors (51565471908792).

55002637887664 is a wasteful number, since it uses less digits than its factorization.

55002637887664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16093204 (or 16093198 counting only the distinct ones).

The product of its (nonzero) digits is 406425600, while the sum is 67.

The spelling of 55002637887664 in words is "fifty-five trillion, two billion, six hundred thirty-seven million, eight hundred eighty-seven thousand, six hundred sixty-four".