55725322800 has 120 divisors (see below), whose sum is σ = 204007783936. Its totient is φ = 12737214720.

The previous prime is 55725322787. The next prime is 55725322831. The reversal of 55725322800 is 822352755.

It is a tau number, because it is divible by the number of its divisors (120).

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, 3308584 + ... + 3325383.

Almost surely, 2^55725322800 is an apocalyptic number.

55725322800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55725322800 is an abundant number, since it is smaller than the sum of its proper divisors (148282461136).

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

55725322800 is a wasteful number, since it uses less digits than its factorization.

55725322800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6633995 (or 6633984 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 55725322800 in words is "fifty-five billion, seven hundred twenty-five million, three hundred twenty-two thousand, eight hundred".