53321566120704 has 432 divisors, whose sum is σ = 181735062372864. Its totient is φ = 14718833049600.

The previous prime is 53321566120699. The next prime is 53321566120727. The reversal of 53321566120704 is 40702166512335.

53321566120704 is a `hidden beast` number, since 5 + 3 + 3 + 2 + 1 + 566 + 12 + 0 + 70 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 53321566120704.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67717099 + ... + 68499989.

It is an arithmetic number, because the mean of its divisors is an integer number (420683014752).

Almost surely, 2^{53321566120704} 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 53321566120704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90867531186432).

53321566120704 is an abundant number, since it is smaller than the sum of its proper divisors (128413496252160).

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

53321566120704 is a wasteful number, since it uses less digits than its factorization.

53321566120704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783064 (or 783047 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 53321566120704 in words is "fifty-three trillion, three hundred twenty-one billion, five hundred sixty-six million, one hundred twenty thousand, seven hundred four".