55584694843128 has 96 divisors (see below), whose sum is σ = 164355513229440. Its totient is φ = 16830718128960.

The previous prime is 55584694843087. The next prime is 55584694843163. The reversal of 55584694843128 is 82134849648555.

It is a happy number.

55584694843128 is a `hidden beast` number, since 5 + 5 + 5 + 84 + 6 + 94 + 8 + 431 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26334876 + ... + 28367147.

It is an arithmetic number, because the mean of its divisors is an integer number (1712036596140).

Almost surely, 2^{55584694843128} is an apocalyptic number.

It is an amenable number.

55584694843128 is an abundant number, since it is smaller than the sum of its proper divisors (108770818386312).

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

55584694843128 is a wasteful number, since it uses less digits than its factorization.

55584694843128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54703329 (or 54703322 counting only the distinct ones).

The product of its digits is 1327104000, while the sum is 72.

The spelling of 55584694843128 in words is "fifty-five trillion, five hundred eighty-four billion, six hundred ninety-four million, eight hundred forty-three thousand, one hundred twenty-eight".