50864218 has 8 divisors (see below), whose sum is σ = 76684212. Its totient is φ = 25302816.

The previous prime is 50864213. The next prime is 50864237. The reversal of 50864218 is 81246805.

It can be written as a sum of positive squares in 2 ways, for example, as 48483369 + 2380849 = 6963^2 + 1543^2 .

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

It is not an unprimeable number, because it can be changed into a prime (50864213) 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, 64155 + ... + 64942.

Almost surely, 2^50864218 is an apocalyptic number.

50864218 is a deficient number, since it is larger than the sum of its proper divisors (25819994).

50864218 is a wasteful number, since it uses less digits than its factorization.

50864218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129296.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 50864218 is about 7131.9154509851. The cubic root of 50864218 is about 370.5135746097.

The spelling of 50864218 in words is "fifty million, eight hundred sixty-four thousand, two hundred eighteen".