52364665525 has 6 divisors (see below), whose sum is σ = 64932185282. Its totient is φ = 41891732400.

The previous prime is 52364665511. The next prime is 52364665537. The reversal of 52364665525 is 52556646325.

It can be written as a sum of positive squares in 3 ways, for example, as 11490339249 + 40874326276 = 107193^2 + 202174^2 .

It is a de Polignac number, because none of the positive numbers 2^k-52364665525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1047293286 + ... + 1047293335.

Almost surely, 2^52364665525 is an apocalyptic number.

It is an amenable number.

52364665525 is a deficient number, since it is larger than the sum of its proper divisors (12567519757).

52364665525 is a wasteful number, since it uses less digits than its factorization.

52364665525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094586631 (or 2094586626 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 49.

The spelling of 52364665525 in words is "fifty-two billion, three hundred sixty-four million, six hundred sixty-five thousand, five hundred twenty-five".