52215745764 has 192 divisors, whose sum is σ = 155513286656. Its totient is φ = 13267846656.

The previous prime is 52215745739. The next prime is 52215745787. The reversal of 52215745764 is 46754751225.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4155339 + ... + 4167885.

Almost surely, 2^52215745764 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 52215745764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77756643328).

52215745764 is an abundant number, since it is smaller than the sum of its proper divisors (103297540892).

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

52215745764 is a wasteful number, since it uses less digits than its factorization.

52215745764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12714 (or 12712 counting only the distinct ones).

The product of its digits is 2352000, while the sum is 48.

The spelling of 52215745764 in words is "fifty-two billion, two hundred fifteen million, seven hundred forty-five thousand, seven hundred sixty-four".