52530644787 has 16 divisors (see below), whose sum is σ = 70526227200. Its totient is φ = 34777848672.

The previous prime is 52530644779. The next prime is 52530644791. The reversal of 52530644787 is 78744603525.

It is a happy number.

It is not a de Polignac number, because 52530644787 - 2³ = 52530644779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52530644797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2691498 + ... + 2710944.

It is an arithmetic number, because the mean of its divisors is an integer number (4407889200).

Almost surely, 2^52530644787 is an apocalyptic number.

52530644787 is a deficient number, since it is larger than the sum of its proper divisors (17995582413).

52530644787 is a wasteful number, since it uses less digits than its factorization.

52530644787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25642.

The product of its (nonzero) digits is 5644800, while the sum is 51.

The spelling of 52530644787 in words is "fifty-two billion, five hundred thirty million, six hundred forty-four thousand, seven hundred eighty-seven".