55176769728000 has 3840 divisors, whose sum is σ = 230873023180800. Its totient is φ = 13076221132800.

The previous prime is 55176769727999. The next prime is 55176769728121. The reversal of 55176769728000 is 82796767155.

55176769728000 is a `hidden beast` number, since 5 + 517 + 6 + 7 + 6 + 97 + 28 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3840).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 402750143932 + ... + 402750144068.

It is an arithmetic number, because the mean of its divisors is an integer number (60123183120).

Almost surely, 2^{55176769728000} is an apocalyptic number.

55176769728000 is a gapful number since it is divisible by the number (50) 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 55176769728000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115436511590400).

55176769728000 is an abundant number, since it is smaller than the sum of its proper divisors (175696253452800).

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

55176769728000 is a wasteful number, since it uses less digits than its factorization.

55176769728000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 44452800, while the sum is 63.

The spelling of 55176769728000 in words is "fifty-five trillion, one hundred seventy-six billion, seven hundred sixty-nine million, seven hundred twenty-eight thousand".