52316665 has 4 divisors (see below), whose sum is σ = 62780004. Its totient is φ = 41853328.

The previous prime is 52316647. The next prime is 52316669. The reversal of 52316665 is 56661325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37161216 + 15155449 = 6096^2 + 3893^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52316665 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52316665.

It is not an unprimeable number, because it can be changed into a prime (52316669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5231662 + ... + 5231671.

It is an arithmetic number, because the mean of its divisors is an integer number (15695001).

Almost surely, 2^52316665 is an apocalyptic number.

It is an amenable number.

52316665 is a deficient number, since it is larger than the sum of its proper divisors (10463339).

52316665 is a wasteful number, since it uses less digits than its factorization.

52316665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10463338.

The product of its digits is 32400, while the sum is 34.

The square root of 52316665 is about 7233.0259919345. The cubic root of 52316665 is about 374.0072467545.

The spelling of 52316665 in words is "fifty-two million, three hundred sixteen thousand, six hundred sixty-five".