52718698496 has 64 divisors (see below), whose sum is σ = 106884963600. Its totient is φ = 25997082624.

The previous prime is 52718698481. The next prime is 52718698507. The reversal of 52718698496 is 69489681725.

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

It is a super-2 number, since 2×52718698496² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2381045 + ... + 2403083.

Almost surely, 2^52718698496 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 52718698496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53442481800).

52718698496 is an abundant number, since it is smaller than the sum of its proper divisors (54166265104).

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

52718698496 is an frugal number, since it uses more digits than its factorization.

52718698496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22142 (or 22114 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 65.

The spelling of 52718698496 in words is "fifty-two billion, seven hundred eighteen million, six hundred ninety-eight thousand, four hundred ninety-six".