55821762360000 has 8400 divisors, whose sum is σ = 288238371021216. Its totient is φ = 10534551552000.

The previous prime is 55821762359999. The next prime is 55821762360071. The reversal of 55821762360000 is 6326712855.

55821762360000 is a `hidden beast` number, since 5 + 5 + 8 + 2 + 17 + 6 + 23 + 600 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (8400).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 1199 ways as a sum of consecutive naturals, for example, 1298180519979 + ... + 1298180520021.

Almost surely, 2^{55821762360000} is an apocalyptic number.

55821762360000 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 55821762360000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144119185510608).

55821762360000 is an abundant number, since it is smaller than the sum of its proper divisors (232416608661216).

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

55821762360000 is a wasteful number, since it uses less digits than its factorization.

55821762360000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 55821762360000 in words is "fifty-five trillion, eight hundred twenty-one billion, seven hundred sixty-two million, three hundred sixty thousand".