50666810 has 16 divisors (see below), whose sum is σ = 92226600. Its totient is φ = 20038656.

The previous prime is 50666809. The next prime is 50666813. The reversal of 50666810 is 1866605.

It can be written as a sum of positive squares in 4 ways, for example, as 16104169 + 34562641 = 4013^2 + 5879^2 .

It is a super-2 number, since 2×50666810² = 5134251271152200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50666813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27575 + ... + 29354.

Almost surely, 2^50666810 is an apocalyptic number.

50666810 is a deficient number, since it is larger than the sum of its proper divisors (41559790).

50666810 is a wasteful number, since it uses less digits than its factorization.

50666810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57025.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 50666810 is about 7118.0622363112. The cubic root of 50666810 is about 370.0336224620.

The spelling of 50666810 in words is "fifty million, six hundred sixty-six thousand, eight hundred ten".