54403309800 has 960 divisors, whose sum is σ = 227508652800. Its totient is φ = 11786342400.

The previous prime is 54403309799. The next prime is 54403309841. The reversal of 54403309800 is 890330445.

54403309800 is a `hidden beast` number, since 544 + 0 + 3 + 30 + 9 + 80 + 0 = 666.

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 239 ways as a sum of consecutive naturals, for example, 233490484 + ... + 233490716.

It is an arithmetic number, because the mean of its divisors is an integer number (236988180).

Almost surely, 2^54403309800 is an apocalyptic number.

54403309800 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 54403309800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113754326400).

54403309800 is an abundant number, since it is smaller than the sum of its proper divisors (173105343000).

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

54403309800 is a wasteful number, since it uses less digits than its factorization.

54403309800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 54403309800 in words is "fifty-four billion, four hundred three million, three hundred nine thousand, eight hundred".