55004812800 has 1440 divisors, whose sum is σ = 233229072384. Its totient is φ = 11354112000.

The previous prime is 55004812789. The next prime is 55004812843. The reversal of 55004812800 is 821840055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1341580780 + ... + 1341580820.

Almost surely, 2^55004812800 is an apocalyptic number.

55004812800 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 55004812800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116614536192).

55004812800 is an abundant number, since it is smaller than the sum of its proper divisors (178224259584).

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

55004812800 is a wasteful number, since it uses less digits than its factorization.

55004812800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The spelling of 55004812800 in words is "fifty-five billion, four million, eight hundred twelve thousand, eight hundred".