50203294418 has 4 divisors (see below), whose sum is σ = 75304941630. Its totient is φ = 25101647208.

The previous prime is 50203294399. The next prime is 50203294423. The reversal of 50203294418 is 81449230205.

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., 27988286209 + 22215008209 = 167297^2 + 149047^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12550823603 + ... + 12550823606.

Almost surely, 2^50203294418 is an apocalyptic number.

50203294418 is a deficient number, since it is larger than the sum of its proper divisors (25101647212).

50203294418 is a wasteful number, since it uses less digits than its factorization.

50203294418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25101647211.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 50203294418 in words is "fifty billion, two hundred three million, two hundred ninety-four thousand, four hundred eighteen".