52564570536 has 128 divisors (see below), whose sum is σ = 141880233600. Its totient is φ = 16174080000.

The previous prime is 52564570523. The next prime is 52564570547. The reversal of 52564570536 is 63507546525.

52564570536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22452726 + ... + 22455066.

It is an arithmetic number, because the mean of its divisors is an integer number (1108439325).

Almost surely, 2^52564570536 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 52564570536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70940116800).

52564570536 is an abundant number, since it is smaller than the sum of its proper divisors (89315663064).

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

52564570536 is a wasteful number, since it uses less digits than its factorization.

52564570536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611 (or 3607 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 48.

The spelling of 52564570536 in words is "fifty-two billion, five hundred sixty-four million, five hundred seventy thousand, five hundred thirty-six".