55904839200 has 720 divisors, whose sum is σ = 239368054464. Its totient is φ = 12429158400.

The previous prime is 55904839169. The next prime is 55904839271. The reversal of 55904839200 is 293840955.

55904839200 is a `hidden beast` number, since 5 + 590 + 4 + 8 + 39 + 20 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 16781535 + ... + 16784865.

Almost surely, 2^55904839200 is an apocalyptic number.

55904839200 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 55904839200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119684027232).

55904839200 is an abundant number, since it is smaller than the sum of its proper divisors (183463215264).

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

55904839200 is a wasteful number, since it uses less digits than its factorization.

55904839200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407 (or 3385 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 55904839200 in words is "fifty-five billion, nine hundred four million, eight hundred thirty-nine thousand, two hundred".