650055959 has 4 divisors (see below), whose sum is σ = 742921104. Its totient is φ = 557190816.

The previous prime is 650055937. The next prime is 650055961. The reversal of 650055959 is 959550056.

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

It is a de Polignac number, because none of the positive numbers 2^k-650055959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650055359) 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, 46432562 + ... + 46432575.

It is an arithmetic number, because the mean of its divisors is an integer number (185730276).

Almost surely, 2^650055959 is an apocalyptic number.

650055959 is a deficient number, since it is larger than the sum of its proper divisors (92865145).

650055959 is an equidigital number, since it uses as much as digits as its factorization.

650055959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92865144.

The product of its (nonzero) digits is 303750, while the sum is 44.

The square root of 650055959 is about 25496.1949906256. The cubic root of 650055959 is about 866.2639630245.

The spelling of 650055959 in words is "six hundred fifty million, fifty-five thousand, nine hundred fifty-nine".