53550021194208 has 1080 divisors, whose sum is σ = 202030564788360. Its totient is φ = 13758249738240.

The previous prime is 53550021194177. The next prime is 53550021194221. The reversal of 53550021194208 is 80249112005535.

53550021194208 is a `hidden beast` number, since 5 + 3 + 5 + 5 + 0 + 0 + 211 + 9 + 420 + 8 = 666.

53550021194208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 90303576760 + ... + 90303577352.

It is an arithmetic number, because the mean of its divisors is an integer number (187065337767).

Almost surely, 2^{53550021194208} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53550021194208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101015282394180).

53550021194208 is an abundant number, since it is smaller than the sum of its proper divisors (148480543594152).

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

53550021194208 is a wasteful number, since it uses less digits than its factorization.

53550021194208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 53550021194208 in words is "fifty-three trillion, five hundred fifty billion, twenty-one million, one hundred ninety-four thousand, two hundred eight".