55344988160 has 512 divisors, whose sum is σ = 171225653760. Its totient is φ = 16672358400.

The previous prime is 55344988151. The next prime is 55344988177. The reversal of 55344988160 is 6188944355.

It is a tau number, because it is divible by the number of its divisors (512).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517242827 + ... + 517242933.

It is an arithmetic number, because the mean of its divisors is an integer number (334425105).

Almost surely, 2^55344988160 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 55344988160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85612826880).

55344988160 is an abundant number, since it is smaller than the sum of its proper divisors (115880665600).

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

55344988160 is a wasteful number, since it uses less digits than its factorization.

55344988160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 55344988160 in words is "fifty-five billion, three hundred forty-four million, nine hundred eighty-eight thousand, one hundred sixty".