52224020209 has 2 divisors, whose sum is σ = 52224020210. Its totient is φ = 52224020208.

The previous prime is 52224020137. The next prime is 52224020221. The reversal of 52224020209 is 90202042225.

52224020209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51883728400 + 340291809 = 227780^2 + 18447^2 .

It is a cyclic number.

It is not a de Polignac number, because 52224020209 - 2⁷ = 52224020081 is a prime.

It is not a weakly prime, because it can be changed into another prime (52224020239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26112010104 + 26112010105.

It is an arithmetic number, because the mean of its divisors is an integer number (26112010105).

Almost surely, 2^52224020209 is an apocalyptic number.

It is an amenable number.

52224020209 is a deficient number, since it is larger than the sum of its proper divisors (1).

52224020209 is an equidigital number, since it uses as much as digits as its factorization.

52224020209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 52224020209 in words is "fifty-two billion, two hundred twenty-four million, twenty thousand, two hundred nine".