50213866 has 4 divisors (see below), whose sum is σ = 75320802. Its totient is φ = 25106932.

The previous prime is 50213837. The next prime is 50213879. The reversal of 50213866 is 66831205.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50197225 + 16641 = 7085^2 + 129^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12553465 + ... + 12553468.

Almost surely, 2^50213866 is an apocalyptic number.

50213866 is a deficient number, since it is larger than the sum of its proper divisors (25106936).

50213866 is a wasteful number, since it uses less digits than its factorization.

50213866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25106935.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 50213866 is about 7086.1742851838. The cubic root of 50213866 is about 368.9276621247.

The spelling of 50213866 in words is "fifty million, two hundred thirteen thousand, eight hundred sixty-six".