52664533546624 has 64 divisors (see below), whose sum is σ = 105824251311840. Its totient is φ = 26105478736896.

The previous prime is 52664533546607. The next prime is 52664533546631. The reversal of 52664533546624 is 42664533546625.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5944687 + ... + 11860369.

Almost surely, 2^{52664533546624} 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 52664533546624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52912125655920).

52664533546624 is an abundant number, since it is smaller than the sum of its proper divisors (53159717765216).

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

52664533546624 is a wasteful number, since it uses less digits than its factorization.

52664533546624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5916297 (or 5916285 counting only the distinct ones).

The product of its digits is 373248000, while the sum is 61.

Subtracting from 52664533546624 its reverse (42664533546625), we obtain a palindrome (9999999999999).

The spelling of 52664533546624 in words is "fifty-two trillion, six hundred sixty-four billion, five hundred thirty-three million, five hundred forty-six thousand, six hundred twenty-four".