55044021014164 has 108 divisors (see below), whose sum is σ = 121343017559904. Its totient is φ = 21774481904448.

The previous prime is 55044021014119. The next prime is 55044021014183. The reversal of 55044021014164 is 46141012044055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 867253959 + ... + 867317425.

It is an arithmetic number, because the mean of its divisors is an integer number (1123546458888).

Almost surely, 2^{55044021014164} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55044021014164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60671508779952).

55044021014164 is an abundant number, since it is smaller than the sum of its proper divisors (66298996545740).

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

55044021014164 is a wasteful number, since it uses less digits than its factorization.

55044021014164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89694 (or 89672 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 55044021014164 in words is "fifty-five trillion, forty-four billion, twenty-one million, fourteen thousand, one hundred sixty-four".