650055155 has 12 divisors (see below), whose sum is σ = 807897792. Its totient is φ = 502108320.

The previous prime is 650055149. The next prime is 650055179. The reversal of 650055155 is 551550056.

It is not a de Polignac number, because 650055155 - 2¹⁴ = 650038771 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73091 + ... + 81500.

It is an arithmetic number, because the mean of its divisors is an integer number (67324816).

Almost surely, 2^650055155 is an apocalyptic number.

650055155 is a deficient number, since it is larger than the sum of its proper divisors (157842637).

650055155 is a wasteful number, since it uses less digits than its factorization.

650055155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154654 (or 154625 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 32.

The square root of 650055155 is about 25496.1792235621. The cubic root of 650055155 is about 866.2636058879.

The spelling of 650055155 in words is "six hundred fifty million, fifty-five thousand, one hundred fifty-five".