55508043200 has 84 divisors (see below), whose sum is σ = 137348229240. Its totient is φ = 22079063040.

The previous prime is 55508043167. The next prime is 55508043229. The reversal of 55508043200 is 234080555.

It is a super-2 number, since 2×55508043200² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189494 + ... + 383306.

Almost surely, 2^55508043200 is an apocalyptic number.

55508043200 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 55508043200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68674114620).

55508043200 is an abundant number, since it is smaller than the sum of its proper divisors (81840186040).

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

55508043200 is a wasteful number, since it uses less digits than its factorization.

55508043200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194014 (or 193999 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 55508043200 in words is "fifty-five billion, five hundred eight million, forty-three thousand, two hundred".