52242309 has 24 divisors (see below), whose sum is σ = 91316160. Its totient is φ = 28096128.

The previous prime is 52242301. The next prime is 52242319. The reversal of 52242309 is 90324225.

52242309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52242309 - 2³ = 52242301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52242301) 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 23 ways as a sum of consecutive naturals, for example, 23319 + ... + 25460.

It is an arithmetic number, because the mean of its divisors is an integer number (3804840).

Almost surely, 2^52242309 is an apocalyptic number.

It is an amenable number.

52242309 is a deficient number, since it is larger than the sum of its proper divisors (39073851).

52242309 is a wasteful number, since it uses less digits than its factorization.

52242309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48809 (or 48806 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 52242309 is about 7227.8841302279. The cubic root of 52242309 is about 373.8299745713.

The spelling of 52242309 in words is "fifty-two million, two hundred forty-two thousand, three hundred nine".