55805630400000 has 2880 divisors, whose sum is σ = 229773727415232. Its totient is φ = 13436928000000.

The previous prime is 55805630399989. The next prime is 55805630400103. The reversal of 55805630400000 is 403650855.

55805630400000 is a `hidden beast` number, since 5 + 58 + 0 + 563 + 0 + 40 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2880).

It is a super-2 number, since 2×55805630400000² (a number of 28 digits) contains 22 as substring.

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 287 ways as a sum of consecutive naturals, for example, 308318399910 + ... + 308318400090.

Almost surely, 2^{55805630400000} is an apocalyptic number.

55805630400000 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 55805630400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114886863707616).

55805630400000 is an abundant number, since it is smaller than the sum of its proper divisors (173968097015232).

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

55805630400000 is an frugal number, since it uses more digits than its factorization.

55805630400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 55805630400000 in words is "fifty-five trillion, eight hundred five billion, six hundred thirty million, four hundred thousand".