650055805 has 24 divisors (see below), whose sum is σ = 922825440. Its totient is φ = 438187680.

The previous prime is 650055799. The next prime is 650055827. The reversal of 650055805 is 508550056.

It is not a de Polignac number, because 650055805 - 2⁵ = 650055773 is a prime.

It is a super-2 number, since 2×650055805² = 845145099228396050, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 8031 + ... + 36940.

It is an arithmetic number, because the mean of its divisors is an integer number (38451060).

Almost surely, 2^650055805 is an apocalyptic number.

It is an amenable number.

650055805 is a deficient number, since it is larger than the sum of its proper divisors (272769635).

650055805 is a wasteful number, since it uses less digits than its factorization.

650055805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45049 (or 45042 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

The square root of 650055805 is about 25496.1919705669. The cubic root of 650055805 is about 866.2638946178.

The spelling of 650055805 in words is "six hundred fifty million, fifty-five thousand, eight hundred five".