52208209 has 8 divisors (see below), whose sum is σ = 53111808. Its totient is φ = 51308400.

The previous prime is 52208197. The next prime is 52208227. The reversal of 52208209 is 90280225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52208209 - 2¹⁵ = 52175441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52208239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44784 + ... + 45934.

It is an arithmetic number, because the mean of its divisors is an integer number (6638976).

Almost surely, 2^52208209 is an apocalyptic number.

It is an amenable number.

52208209 is a deficient number, since it is larger than the sum of its proper divisors (903599).

52208209 is a wasteful number, since it uses less digits than its factorization.

52208209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 52208209 is about 7225.5248252290. The cubic root of 52208209 is about 373.7486204801.

The spelling of 52208209 in words is "fifty-two million, two hundred eight thousand, two hundred nine".