52513685899 has 4 divisors (see below), whose sum is σ = 55602726264. Its totient is φ = 49424645536.

The previous prime is 52513685893. The next prime is 52513685927. The reversal of 52513685899 is 99858631525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52513685899 - 2³ = 52513685891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52513685891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544520157 + ... + 1544520190.

It is an arithmetic number, because the mean of its divisors is an integer number (13900681566).

Almost surely, 2^52513685899 is an apocalyptic number.

52513685899 is a deficient number, since it is larger than the sum of its proper divisors (3089040365).

52513685899 is a wasteful number, since it uses less digits than its factorization.

52513685899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089040364.

The product of its digits is 23328000, while the sum is 61.

The spelling of 52513685899 in words is "fifty-two billion, five hundred thirteen million, six hundred eighty-five thousand, eight hundred ninety-nine".