55459864651648 has 64 divisors (see below), whose sum is σ = 111296885349600. Its totient is φ = 27526543163392.

The previous prime is 55459864651627. The next prime is 55459864651657. The reversal of 55459864651648 is 84615646895455.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926168973 + ... + 926228851.

Almost surely, 2^{55459864651648} is an apocalyptic number.

It is an amenable number.

55459864651648 is an abundant number, since it is smaller than the sum of its proper divisors (55837020697952).

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

55459864651648 is a wasteful number, since it uses less digits than its factorization.

55459864651648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112847 (or 112835 counting only the distinct ones).

The product of its digits is 4976640000, while the sum is 76.

The spelling of 55459864651648 in words is "fifty-five trillion, four hundred fifty-nine billion, eight hundred sixty-four million, six hundred fifty-one thousand, six hundred forty-eight".