55628842768884 has 144 divisors (see below), whose sum is σ = 176953601051136. Its totient is φ = 14314012142400.

The previous prime is 55628842768843. The next prime is 55628842768997. The reversal of 55628842768884 is 48886724882655.

55628842768884 is a `hidden beast` number, since 5 + 56 + 2 + 8 + 8 + 427 + 68 + 8 + 84 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93479682 + ... + 94072889.

It is an arithmetic number, because the mean of its divisors is an integer number (1228844451744).

Almost surely, 2^{55628842768884} is an apocalyptic number.

It is an amenable number.

55628842768884 is an abundant number, since it is smaller than the sum of its proper divisors (121324758282252).

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

55628842768884 is a wasteful number, since it uses less digits than its factorization.

55628842768884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187552706 (or 187552701 counting only the distinct ones).

The product of its digits is 13212057600, while the sum is 81.

The spelling of 55628842768884 in words is "fifty-five trillion, six hundred twenty-eight billion, eight hundred forty-two million, seven hundred sixty-eight thousand, eight hundred eighty-four".