550616565 has 16 divisors (see below), whose sum is σ = 884678400. Its totient is φ = 292431552.

The previous prime is 550616509. The next prime is 550616579. The reversal of 550616565 is 565616055.

It is not a de Polignac number, because 550616565 - 2⁸ = 550616309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73210 + ... + 80379.

It is an arithmetic number, because the mean of its divisors is an integer number (55292400).

Almost surely, 2^550616565 is an apocalyptic number.

It is an amenable number.

550616565 is a deficient number, since it is larger than the sum of its proper divisors (334061835).

550616565 is a wasteful number, since it uses less digits than its factorization.

550616565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153836.

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 550616565 is about 23465.2203271139. The cubic root of 550616565 is about 819.6273167636.

The spelling of 550616565 in words is "five hundred fifty million, six hundred sixteen thousand, five hundred sixty-five".