55232279800 has 48 divisors (see below), whose sum is σ = 128430507600. Its totient is φ = 22090252800.

The previous prime is 55232279747. The next prime is 55232279801. The reversal of 55232279800 is 897223255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55232279801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3265365 + ... + 3282235.

It is an arithmetic number, because the mean of its divisors is an integer number (2675635575).

Almost surely, 2^55232279800 is an apocalyptic number.

55232279800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55232279800 is an abundant number, since it is smaller than the sum of its proper divisors (73198227800).

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

55232279800 is a wasteful number, since it uses less digits than its factorization.

55232279800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33256 (or 33247 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 55232279800 in words is "fifty-five billion, two hundred thirty-two million, two hundred seventy-nine thousand, eight hundred".