52208309 has 16 divisors (see below), whose sum is σ = 57517056. Its totient is φ = 47174400.

The previous prime is 52208297. The next prime is 52208311. The reversal of 52208309 is 90380225.

52208309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 52208309 - 2⁸ = 52208053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52208329) 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 15 ways as a sum of consecutive naturals, for example, 82424 + ... + 83054.

It is an arithmetic number, because the mean of its divisors is an integer number (3594816).

Almost surely, 2^52208309 is an apocalyptic number.

It is an amenable number.

52208309 is a deficient number, since it is larger than the sum of its proper divisors (5308747).

52208309 is a wasteful number, since it uses less digits than its factorization.

52208309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 52208309 is about 7225.5317451382. The cubic root of 52208309 is about 373.7488591070.

The spelling of 52208309 in words is "fifty-two million, two hundred eight thousand, three hundred nine".