53309315 has 8 divisors (see below), whose sum is σ = 64605168. Its totient is φ = 42224800.

The previous prime is 53309281. The next prime is 53309317. The reversal of 53309315 is 51390335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53309315 - 2²⁰ = 52260739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53309317) 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, 52277 + ... + 53286.

It is an arithmetic number, because the mean of its divisors is an integer number (8075646).

Almost surely, 2^53309315 is an apocalyptic number.

53309315 is a deficient number, since it is larger than the sum of its proper divisors (11295853).

53309315 is a wasteful number, since it uses less digits than its factorization.

53309315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105669.

The product of its (nonzero) digits is 6075, while the sum is 29.

The square root of 53309315 is about 7301.3228253516. The cubic root of 53309315 is about 376.3578977755.

The spelling of 53309315 in words is "fifty-three million, three hundred nine thousand, three hundred fifteen".