50666566 has 8 divisors (see below), whose sum is σ = 76318560. Its totient is φ = 25227048.

The previous prime is 50666557. The next prime is 50666591. The reversal of 50666566 is 66566605.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52521 + ... + 53476.

It is an arithmetic number, because the mean of its divisors is an integer number (9539820).

Almost surely, 2^50666566 is an apocalyptic number.

50666566 is a deficient number, since it is larger than the sum of its proper divisors (25651994).

50666566 is a wasteful number, since it uses less digits than its factorization.

50666566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106238.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 50666566 is about 7118.0450967945. The cubic root of 50666566 is about 370.0330284614.

The spelling of 50666566 in words is "fifty million, six hundred sixty-six thousand, five hundred sixty-six".