565500290 has 64 divisors (see below), whose sum is σ = 1088640000. Its totient is φ = 211115520.

The previous prime is 565500289. The next prime is 565500311. The reversal of 565500290 is 92005565.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2365991 + ... + 2366229.

It is an arithmetic number, because the mean of its divisors is an integer number (17010000).

Almost surely, 2^565500290 is an apocalyptic number.

565500290 is a deficient number, since it is larger than the sum of its proper divisors (523139710).

565500290 is a wasteful number, since it uses less digits than its factorization.

565500290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 565500290 is about 23780.2499986859. The cubic root of 565500290 is about 826.9468755764.

The spelling of 565500290 in words is "five hundred sixty-five million, five hundred thousand, two hundred ninety".