66560050 has 24 divisors (see below), whose sum is σ = 126142596. Its totient is φ = 26120640.

The previous prime is 66560041. The next prime is 66560071. The reversal of 66560050 is 5006566.

It can be written as a sum of positive squares in 6 ways, for example, as 34445161 + 32114889 = 5869^2 + 5667^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9909 + ... + 15208.

Almost surely, 2^66560050 is an apocalyptic number.

66560050 is a deficient number, since it is larger than the sum of its proper divisors (59582546).

66560050 is a wasteful number, since it uses less digits than its factorization.

66560050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25182 (or 25177 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 66560050 is about 8158.4342860625. The cubic root of 66560050 is about 405.2638630064.

The spelling of 66560050 in words is "sixty-six million, five hundred sixty thousand, fifty".