50666660 has 24 divisors (see below), whose sum is σ = 116073216. Its totient is φ = 18424160.

The previous prime is 50666657. The next prime is 50666669. The reversal of 50666660 is 6666605.

It is a super-2 number, since 2×50666660² = 5134220871111200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50666660.

It is not an unprimeable number, because it can be changed into a prime (50666669) 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, 114932 + ... + 115371.

It is an arithmetic number, because the mean of its divisors is an integer number (4836384).

Almost surely, 2^50666660 is an apocalyptic number.

It is an amenable number.

50666660 is an abundant number, since it is smaller than the sum of its proper divisors (65406556).

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

50666660 is a wasteful number, since it uses less digits than its factorization.

50666660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230323 (or 230321 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 50666660 is about 7118.0516997280. The cubic root of 50666660 is about 370.0332572979.

The spelling of 50666660 in words is "fifty million, six hundred sixty-six thousand, six hundred sixty".