50051430817 has 4 divisors (see below), whose sum is σ = 50340745620. Its totient is φ = 49762116016.

The previous prime is 50051430791. The next prime is 50051430839. The reversal of 50051430817 is 71803415005.

It is a happy number.

50051430817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37381902336 + 12669528481 = 193344^2 + 112559^2 .

It is a cyclic number.

It is not a de Polignac number, because 50051430817 - 2²³ = 50043042209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50051430857) 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, 144657142 + ... + 144657487.

It is an arithmetic number, because the mean of its divisors is an integer number (12585186405).

Almost surely, 2^50051430817 is an apocalyptic number.

It is an amenable number.

50051430817 is a deficient number, since it is larger than the sum of its proper divisors (289314803).

50051430817 is a wasteful number, since it uses less digits than its factorization.

50051430817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289314802.

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 50051430817 in words is "fifty billion, fifty-one million, four hundred thirty thousand, eight hundred seventeen".