650555085 has 16 divisors (see below), whose sum is σ = 1041552576. Its totient is φ = 346741248.

The previous prime is 650555083. The next prime is 650555089. The reversal of 650555085 is 580555056.

It is not a de Polignac number, because 650555085 - 2¹ = 650555083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650555083) by changing a digit.

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, 11997 + ... + 38013.

It is an arithmetic number, because the mean of its divisors is an integer number (65097036).

Almost surely, 2^650555085 is an apocalyptic number.

It is an amenable number.

650555085 is a deficient number, since it is larger than the sum of its proper divisors (390997491).

650555085 is a wasteful number, since it uses less digits than its factorization.

650555085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27692.

The product of its (nonzero) digits is 150000, while the sum is 39.

The square root of 650555085 is about 25505.9813573209. The cubic root of 650555085 is about 866.4856179175.

The spelling of 650555085 in words is "six hundred fifty million, five hundred fifty-five thousand, eighty-five".