52144009 has 8 divisors (see below), whose sum is σ = 53366400. Its totient is φ = 50926416.

The previous prime is 52143991. The next prime is 52144031. The reversal of 52144009 is 90044125.

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 52144009 - 2⁷ = 52143881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52144039) 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, 29842 + ... + 31540.

It is an arithmetic number, because the mean of its divisors is an integer number (6670800).

Almost surely, 2^52144009 is an apocalyptic number.

It is an amenable number.

52144009 is a deficient number, since it is larger than the sum of its proper divisors (1222391).

52144009 is a wasteful number, since it uses less digits than its factorization.

52144009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 52144009 is about 7221.0808747721. The cubic root of 52144009 is about 373.5953591191.

The spelling of 52144009 in words is "fifty-two million, one hundred forty-four thousand, nine".