54185280000 has 200 divisors, whose sum is σ = 180386670288. Its totient is φ = 14449152000.

The previous prime is 54185279977. The next prime is 54185280001. The reversal of 54185280000 is 8258145.

It is a tau number, because it is divible by the number of its divisors (200).

It is not an unprimeable number, because it can be changed into a prime (54185280001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 931779 + ... + 988221.

Almost surely, 2^54185280000 is an apocalyptic number.

54185280000 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 54185280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90193335144).

54185280000 is an abundant number, since it is smaller than the sum of its proper divisors (126201390288).

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

54185280000 is an frugal number, since it uses more digits than its factorization.

54185280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56484 (or 56453 counting only the distinct ones).

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

The spelling of 54185280000 in words is "fifty-four billion, one hundred eighty-five million, two hundred eighty thousand".