656630050 has 24 divisors (see below), whose sum is σ = 1222210836. Its totient is φ = 262463040.

The previous prime is 656630021. The next prime is 656630077. The reversal of 656630050 is 50036656.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 310781641 + 345848409 = 17629^2 + 18597^2 .

It is a junction number, because it is equal to n+sod(n) for n = 656629994 and 656630021.

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, 80772 + ... + 88528.

Almost surely, 2^656630050 is an apocalyptic number.

656630050 is a deficient number, since it is larger than the sum of its proper divisors (565580786).

656630050 is a wasteful number, since it uses less digits than its factorization.

656630050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9462 (or 9457 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 656630050 is about 25624.7936577058. The cubic root of 656630050 is about 869.1743829979.

The spelling of 656630050 in words is "six hundred fifty-six million, six hundred thirty thousand, fifty".