50866 has 8 divisors (see below), whose sum is σ = 79020. Its totient is φ = 24528.

The previous prime is 50857. The next prime is 50867. The reversal of 50866 is 66805.

50866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 48841 + 2025 = 221^2 + 45^2 .

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 50866.

It is not an unprimeable number, because it can be changed into a prime (50867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381 + ... + 496.

2⁵⁰⁸⁶⁶ is an apocalyptic number.

50866 is a deficient number, since it is larger than the sum of its proper divisors (28154).

50866 is a wasteful number, since it uses less digits than its factorization.

50866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 50866 is about 225.5349196909. The cubic root of 50866 is about 37.0517901472.

The spelling of 50866 in words is "fifty thousand, eight hundred sixty-six".