52050561564 has 24 divisors (see below), whose sum is σ = 121593715600. Its totient is φ = 17329843584.

The previous prime is 52050561557. The next prime is 52050561593. The reversal of 52050561564 is 46516505025.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2532289 + ... + 2552760.

Almost surely, 2^52050561564 is an apocalyptic number.

It is an amenable number.

52050561564 is an abundant number, since it is smaller than the sum of its proper divisors (69543154036).

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

52050561564 is a wasteful number, since it uses less digits than its factorization.

52050561564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085909 (or 5085907 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 52050561564 in words is "fifty-two billion, fifty million, five hundred sixty-one thousand, five hundred sixty-four".