52359965394560 has 128 divisors (see below), whose sum is σ = 129338484687360. Its totient is φ = 20248357662720.

The previous prime is 52359965394547. The next prime is 52359965394599. The reversal of 52359965394560 is 6549356995325.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×52359965394560² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18795299 + ... + 21400541.

It is an arithmetic number, because the mean of its divisors is an integer number (1010456911620).

Almost surely, 2^{52359965394560} 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 52359965394560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64669242343680).

52359965394560 is an abundant number, since it is smaller than the sum of its proper divisors (76978519292800).

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

52359965394560 is a wasteful number, since it uses less digits than its factorization.

52359965394560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606306 (or 2606294 counting only the distinct ones).

The product of its (nonzero) digits is 1180980000, while the sum is 71.

The spelling of 52359965394560 in words is "fifty-two trillion, three hundred fifty-nine billion, nine hundred sixty-five million, three hundred ninety-four thousand, five hundred sixty".