55591883190320 has 40 divisors (see below), whose sum is σ = 129251918044224. Its totient is φ = 22236617426432.

The previous prime is 55591883190293. The next prime is 55591883190323. The reversal of 55591883190320 is 2309138819555.

55591883190320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 55591883190320.

It is not an unprimeable number, because it can be changed into a prime (55591883190323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11605577 + ... + 15680343.

Almost surely, 2^{55591883190320} is an apocalyptic number.

It is an amenable number.

55591883190320 is an abundant number, since it is smaller than the sum of its proper divisors (73660034853904).

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

55591883190320 is a wasteful number, since it uses less digits than its factorization.

55591883190320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4245317 (or 4245311 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 59.

The spelling of 55591883190320 in words is "fifty-five trillion, five hundred ninety-one billion, eight hundred eighty-three million, one hundred ninety thousand, three hundred twenty".