52509185029 has 16 divisors (see below), whose sum is σ = 61807536000. Its totient is φ = 44587207392.

The previous prime is 52509184879. The next prime is 52509185063. The reversal of 52509185029 is 92058190525.

It is a happy number.

It is not a de Polignac number, because 52509185029 - 2⁹ = 52509184517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52509185029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52509185329) 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, 678664 + ... + 752065.

It is an arithmetic number, because the mean of its divisors is an integer number (3862971000).

Almost surely, 2^52509185029 is an apocalyptic number.

It is an amenable number.

52509185029 is a deficient number, since it is larger than the sum of its proper divisors (9298350971).

52509185029 is a wasteful number, since it uses less digits than its factorization.

52509185029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430857 (or 1430843 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 46.

The spelling of 52509185029 in words is "fifty-two billion, five hundred nine million, one hundred eighty-five thousand, twenty-nine".