52539766458624 has 81 divisors (see below), whose sum is σ = 151486102371513. Its totient is φ = 17513139511296.

The previous prime is 52539766458583. The next prime is 52539766458631. The reversal of 52539766458624 is 42685466793525.

The square root of 52539766458624 is 7248432.

It is a perfect power (a square), and thus also a powerful number.

52539766458624 is a `hidden beast` number, since 5 + 2 + 5 + 3 + 97 + 66 + 458 + 6 + 24 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1936461498624 + 50603304960000 = 1391568^2 + 7113600^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 347849232 + ... + 348000240.

Almost surely, 2^{52539766458624} is an apocalyptic number.

52539766458624 is the 7248432-nd square number.

It is an amenable number.

52539766458624 is an abundant number, since it is smaller than the sum of its proper divisors (98946335912889).

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

52539766458624 is an frugal number, since it uses more digits than its factorization.

52539766458624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302040 (or 151014 counting only the distinct ones).

The product of its digits is 2612736000, while the sum is 72.

The spelling of 52539766458624 in words is "fifty-two trillion, five hundred thirty-nine billion, seven hundred sixty-six million, four hundred fifty-eight thousand, six hundred twenty-four".