52569599999 has 16 divisors (see below), whose sum is σ = 60445572096. Its totient is φ = 44785418400.

The previous prime is 52569599993. The next prime is 52569600023. The reversal of 52569599999 is 99999596525.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52569599999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52569599993) 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, 2435834 + ... + 2457320.

It is an arithmetic number, because the mean of its divisors is an integer number (3777848256).

Almost surely, 2^52569599999 is an apocalyptic number.

52569599999 is a deficient number, since it is larger than the sum of its proper divisors (7875972097).

52569599999 is a wasteful number, since it uses less digits than its factorization.

52569599999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23606.

The product of its digits is 797161500, while the sum is 77.

The spelling of 52569599999 in words is "fifty-two billion, five hundred sixty-nine million, five hundred ninety-nine thousand, nine hundred ninety-nine".