55168204800 has 480 divisors, whose sum is σ = 193474670400. Its totient is φ = 13841203200.

The previous prime is 55168204783. The next prime is 55168204843. The reversal of 55168204800 is 840286155.

It is a tau number, because it is divible by the number of its divisors (480).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 904396770 + ... + 904396830.

It is an arithmetic number, because the mean of its divisors is an integer number (403072230).

Almost surely, 2^55168204800 is an apocalyptic number.

55168204800 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 55168204800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96737335200).

55168204800 is an abundant number, since it is smaller than the sum of its proper divisors (138306465600).

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

55168204800 is an frugal number, since it uses more digits than its factorization.

55168204800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 55168204800 in words is "fifty-five billion, one hundred sixty-eight million, two hundred four thousand, eight hundred".