650130056 has 8 divisors (see below), whose sum is σ = 1218993870. Its totient is φ = 325065024.

The previous prime is 650130053. The next prime is 650130059. The reversal of 650130056 is 650031056.

It is an interprime number because it is at equal distance from previous prime (650130053) and next prime (650130059).

It can be written as a sum of positive squares in only one way, i.e., 648517156 + 1612900 = 25466^2 + 1270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (650130053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40633121 + ... + 40633136.

Almost surely, 2^650130056 is an apocalyptic number.

It is an amenable number.

650130056 is a deficient number, since it is larger than the sum of its proper divisors (568863814).

650130056 is a wasteful number, since it uses less digits than its factorization.

650130056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81266263 (or 81266259 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 650130056 is about 25497.6480483985. The cubic root of 650130056 is about 866.2968756384.

The spelling of 650130056 in words is "six hundred fifty million, one hundred thirty thousand, fifty-six".