52268209 has 4 divisors (see below), whose sum is σ = 59735104. Its totient is φ = 44801316.

The previous prime is 52268173. The next prime is 52268231. The reversal of 52268209 is 90286225.

52268209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52268209 - 2¹¹ = 52266161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52238209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3733437 + ... + 3733450.

It is an arithmetic number, because the mean of its divisors is an integer number (14933776).

Almost surely, 2^52268209 is an apocalyptic number.

It is an amenable number.

52268209 is a deficient number, since it is larger than the sum of its proper divisors (7466895).

52268209 is an equidigital number, since it uses as much as digits as its factorization.

52268209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7466894.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 52268209 is about 7229.6755805499. The cubic root of 52268209 is about 373.8917418562.

The spelling of 52268209 in words is "fifty-two million, two hundred sixty-eight thousand, two hundred nine".