52320317 has 16 divisors (see below), whose sum is σ = 60764160. Its totient is φ = 44126208.

The previous prime is 52320311. The next prime is 52320347. The reversal of 52320317 is 71302325.

It is not a de Polignac number, because 52320317 - 2⁶ = 52320253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52320292 and 52320301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52320311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203453 + ... + 203709.

It is an arithmetic number, because the mean of its divisors is an integer number (3797760).

Almost surely, 2^52320317 is an apocalyptic number.

It is an amenable number.

52320317 is a deficient number, since it is larger than the sum of its proper divisors (8443843).

52320317 is a wasteful number, since it uses less digits than its factorization.

52320317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 52320317 is about 7233.2784406519. The cubic root of 52320317 is about 374.0159491611.

The spelling of 52320317 in words is "fifty-two million, three hundred twenty thousand, three hundred seventeen".