55489498176 has 672 divisors, whose sum is σ = 192037980160. Its totient is φ = 13807190016.

The previous prime is 55489498133. The next prime is 55489498189. The reversal of 55489498176 is 67189498455.

It is a tau number, because it is divible by the number of its divisors (672).

Its product of digits (87091200) is a multiple of the sum of its prime divisors (224).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 538732941 + ... + 538733043.

Almost surely, 2^55489498176 is an apocalyptic number.

55489498176 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55489498176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96018990080).

55489498176 is an abundant number, since it is smaller than the sum of its proper divisors (136548481984).

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

55489498176 is a wasteful number, since it uses less digits than its factorization.

55489498176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 224 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 66.

The spelling of 55489498176 in words is "fifty-five billion, four hundred eighty-nine million, four hundred ninety-eight thousand, one hundred seventy-six".