50017913 has 4 divisors (see below), whose sum is σ = 54565008. Its totient is φ = 45470820.

The previous prime is 50017907. The next prime is 50017931. The reversal of 50017913 is 31971005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50017913 - 2¹⁴ = 50001529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50017943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2273531 + ... + 2273552.

It is an arithmetic number, because the mean of its divisors is an integer number (13641252).

Almost surely, 2^50017913 is an apocalyptic number.

It is an amenable number.

50017913 is a deficient number, since it is larger than the sum of its proper divisors (4547095).

50017913 is a wasteful number, since it uses less digits than its factorization.

50017913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4547094.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 50017913 is about 7072.3343388163. The cubic root of 50017913 is about 368.4471393154.

Adding to 50017913 its reverse (31971005), we get a palindrome (81988918).

The spelling of 50017913 in words is "fifty million, seventeen thousand, nine hundred thirteen".