55588448864 has 24 divisors (see below), whose sum is σ = 117858202560. Its totient is φ = 25656206976.

The previous prime is 55588448819. The next prime is 55588448879. The reversal of 55588448864 is 46884488555.

It is a self number, because there is not a number n which added to its sum of digits gives 55588448864.

It is a congruent number.

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, 66812624 + ... + 66813455.

It is an arithmetic number, because the mean of its divisors is an integer number (4910758440).

Almost surely, 2^55588448864 is an apocalyptic number.

It is an amenable number.

55588448864 is an abundant number, since it is smaller than the sum of its proper divisors (62269753696).

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

55588448864 is a wasteful number, since it uses less digits than its factorization.

55588448864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133626102 (or 133626094 counting only the distinct ones).

The product of its digits is 196608000, while the sum is 65.

The spelling of 55588448864 in words is "fifty-five billion, five hundred eighty-eight million, four hundred forty-eight thousand, eight hundred sixty-four".