52312009 has 8 divisors (see below), whose sum is σ = 55641600. Its totient is φ = 49010496.

The previous prime is 52311991. The next prime is 52312021. The reversal of 52312009 is 90021325.

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 52312009 - 2⁵ = 52311977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52312049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3109 + ... + 10690.

It is an arithmetic number, because the mean of its divisors is an integer number (6955200).

Almost surely, 2^52312009 is an apocalyptic number.

It is an amenable number.

52312009 is a deficient number, since it is larger than the sum of its proper divisors (3329591).

52312009 is a wasteful number, since it uses less digits than its factorization.

52312009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14039.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 52312009 is about 7232.7041277796. The cubic root of 52312009 is about 373.9961513135.

The spelling of 52312009 in words is "fifty-two million, three hundred twelve thousand, nine".