650055500 has 24 divisors (see below), whose sum is σ = 1419722304. Its totient is φ = 260022000.

The previous prime is 650055499. The next prime is 650055563. The reversal of 650055500 is 5550056.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 650055500.

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 7 ways as a sum of consecutive naturals, for example, 649556 + ... + 650555.

It is an arithmetic number, because the mean of its divisors is an integer number (59155096).

Almost surely, 2^650055500 is an apocalyptic number.

It is an amenable number.

650055500 is an abundant number, since it is smaller than the sum of its proper divisors (769666804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

650055500 is a wasteful number, since it uses less digits than its factorization.

650055500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300130 (or 1300118 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 650055500 is about 25496.1859892808. The cubic root of 650055500 is about 866.2637591368.

The spelling of 650055500 in words is "six hundred fifty million, fifty-five thousand, five hundred".