55873705091328 has 360 divisors, whose sum is σ = 180508093764768. Its totient is φ = 17121349582848.

The previous prime is 55873705091279. The next prime is 55873705091329. The reversal of 55873705091328 is 82319050737855.

55873705091328 is a `hidden beast` number, since 5 + 5 + 87 + 37 + 0 + 509 + 13 + 2 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (55873705091329) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13314975 + ... + 17001057.

Almost surely, 2^{55873705091328} 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 55873705091328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90254046882384).

55873705091328 is an abundant number, since it is smaller than the sum of its proper divisors (124634388673440).

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

55873705091328 is a wasteful number, since it uses less digits than its factorization.

55873705091328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686171 (or 3686148 counting only the distinct ones).

The product of its (nonzero) digits is 63504000, while the sum is 63.

The spelling of 55873705091328 in words is "fifty-five trillion, eight hundred seventy-three billion, seven hundred five million, ninety-one thousand, three hundred twenty-eight".