52808465 has 4 divisors (see below), whose sum is σ = 63370164. Its totient is φ = 42246768.

The previous prime is 52808387. The next prime is 52808471. The reversal of 52808465 is 56480825.

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 23116864 + 29691601 = 4808^2 + 5449^2 .

It is a cyclic number.

It is not a de Polignac number, because 52808465 - 2⁸ = 52808209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5280842 + ... + 5280851.

It is an arithmetic number, because the mean of its divisors is an integer number (15842541).

Almost surely, 2^52808465 is an apocalyptic number.

It is an amenable number.

52808465 is a deficient number, since it is larger than the sum of its proper divisors (10561699).

52808465 is a wasteful number, since it uses less digits than its factorization.

52808465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10561698.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 52808465 is about 7266.9433051318. The cubic root of 52808465 is about 375.1755385578.

The spelling of 52808465 in words is "fifty-two million, eight hundred eight thousand, four hundred sixty-five".