55009843200 has 576 divisors, whose sum is σ = 217675130400. Its totient is φ = 13536460800.

The previous prime is 55009843183. The next prime is 55009843211. The reversal of 55009843200 is 234890055.

55009843200 is a `hidden beast` number, since 5 + 500 + 98 + 43 + 20 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17969670 + ... + 17972730.

Almost surely, 2^55009843200 is an apocalyptic number.

55009843200 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 55009843200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108837565200).

55009843200 is an abundant number, since it is smaller than the sum of its proper divisors (162665287200).

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

55009843200 is a wasteful number, since it uses less digits than its factorization.

55009843200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115 (or 3084 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 55009843200 in words is "fifty-five billion, nine million, eight hundred forty-three thousand, two hundred".