50431641252242 has 16 divisors (see below), whose sum is σ = 75893724012120. Its totient is φ = 25133832931968.

The previous prime is 50431641252229. The next prime is 50431641252253. The reversal of 50431641252242 is 24225214613405.

50431641252242 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 4 ways, for example, as 46777652257561 + 3653988994681 = 6839419^2 + 1911541^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50431641252242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23908253 + ... + 25931984.

Almost surely, 2^{50431641252242} is an apocalyptic number.

50431641252242 is a deficient number, since it is larger than the sum of its proper divisors (25462082759878).

50431641252242 is a wasteful number, since it uses less digits than its factorization.

50431641252242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49841885.

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 50431641252242 its reverse (24225214613405), we get a palindrome (74656855865647).

The spelling of 50431641252242 in words is "fifty trillion, four hundred thirty-one billion, six hundred forty-one million, two hundred fifty-two thousand, two hundred forty-two".