52542701568 has 540 divisors, whose sum is σ = 184416027642. Its totient is φ = 14863564800.

The previous prime is 52542701521. The next prime is 52542701591. The reversal of 52542701568 is 86510724525.

52542701568 is a `hidden beast` number, since 52 + 542 + 7 + 0 + 1 + 56 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 31473598464 + 21069103104 = 177408^2 + 145152^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 520224718 + ... + 520224818.

Almost surely, 2^52542701568 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 52542701568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92208013821).

52542701568 is an abundant number, since it is smaller than the sum of its proper divisors (131873326074).

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

52542701568 is an frugal number, since it uses more digits than its factorization.

52542701568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 52542701568 in words is "fifty-two billion, five hundred forty-two million, seven hundred one thousand, five hundred sixty-eight".