50221317458 has 8 divisors (see below), whose sum is σ = 81126743628. Its totient is φ = 23179069584.

The previous prime is 50221317457. The next prime is 50221317463. The reversal of 50221317458 is 85471312205.

It can be written as a sum of positive squares in 2 ways, for example, as 46174703689 + 4046613769 = 214883^2 + 63613^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50221317457) 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, 965794541 + ... + 965794592.

Almost surely, 2^50221317458 is an apocalyptic number.

50221317458 is a deficient number, since it is larger than the sum of its proper divisors (30905426170).

50221317458 is a wasteful number, since it uses less digits than its factorization.

50221317458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931589148.

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 50221317458 in words is "fifty billion, two hundred twenty-one million, three hundred seventeen thousand, four hundred fifty-eight".