55526344800 has 144 divisors (see below), whose sum is σ = 190250948160. Its totient is φ = 14027696640.

The previous prime is 55526344771. The next prime is 55526344831. The reversal of 55526344800 is 844362555.

It is a congruent number.

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, 563242 + ... + 654441.

It is an arithmetic number, because the mean of its divisors is an integer number (1321187140).

Almost surely, 2^55526344800 is an apocalyptic number.

55526344800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55526344800 is an abundant number, since it is smaller than the sum of its proper divisors (134724603360).

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

55526344800 is a wasteful number, since it uses less digits than its factorization.

55526344800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217725 (or 1217712 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 55526344800 in words is "fifty-five billion, five hundred twenty-six million, three hundred forty-four thousand, eight hundred".