55328374784160 has 576 divisors, whose sum is σ = 202557597225984. Its totient is φ = 14247174758400.

The previous prime is 55328374784141. The next prime is 55328374784183. The reversal of 55328374784160 is 6148747382355.

It is a happy number.

55328374784160 is a `hidden beast` number, since 5 + 5 + 3 + 2 + 83 + 74 + 78 + 416 + 0 = 666.

It is a super-2 number, since 2×55328374784160² (a number of 28 digits) contains 22 as substring.

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 95 ways as a sum of consecutive naturals, for example, 555584292 + ... + 555683868.

It is an arithmetic number, because the mean of its divisors is an integer number (351662495184).

Almost surely, 2^{55328374784160} 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 55328374784160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101278798612992).

55328374784160 is an abundant number, since it is smaller than the sum of its proper divisors (147229222441824).

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

55328374784160 is a wasteful number, since it uses less digits than its factorization.

55328374784160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100099 (or 100079 counting only the distinct ones).

The product of its (nonzero) digits is 135475200, while the sum is 63.

The spelling of 55328374784160 in words is "fifty-five trillion, three hundred twenty-eight billion, three hundred seventy-four million, seven hundred eighty-four thousand, one hundred sixty".