50396218 has 4 divisors (see below), whose sum is σ = 75594330. Its totient is φ = 25198108.

The previous prime is 50396201. The next prime is 50396231. The reversal of 50396218 is 81269305.

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., 29300569 + 21095649 = 5413^2 + 4593^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12599053 + ... + 12599056.

Almost surely, 2^50396218 is an apocalyptic number.

50396218 is a deficient number, since it is larger than the sum of its proper divisors (25198112).

50396218 is a wasteful number, since it uses less digits than its factorization.

50396218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25198111.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 50396218 is about 7099.0293702731. The cubic root of 50396218 is about 369.3737103987.

It can be divided in two parts, 50396 and 218, that multiplied together give a triangular number (10986328 = T₄₆₈₇).

The spelling of 50396218 in words is "fifty million, three hundred ninety-six thousand, two hundred eighteen".