52993421209 has 3 divisors (see below), whose sum is σ = 52993651413. Its totient is φ = 52993191006.

The previous prime is 52993421183. The next prime is 52993421263. The reversal of 52993421209 is 90212439925.

The square root of 52993421209 is 230203.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 52993421209 - 2⁷ = 52993421081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52993421809) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 115102 + ... + 345304.

It is an arithmetic number, because the mean of its divisors is an integer number (17664550471).

Almost surely, 2^52993421209 is an apocalyptic number.

52993421209 is the 230203-rd square number.

52993421209 is the 115102-nd centered octagonal number.

It is an amenable number.

52993421209 is a deficient number, since it is larger than the sum of its proper divisors (230204).

52993421209 is an frugal number, since it uses more digits than its factorization.

52993421209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460406 (or 230203 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 52993421209 in words is "fifty-two billion, nine hundred ninety-three million, four hundred twenty-one thousand, two hundred nine".