50317681 has 8 divisors (see below), whose sum is σ = 54675200. Its totient is φ = 46131120.

The previous prime is 50317651. The next prime is 50317691. The reversal of 50317681 is 18671305.

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

It is a cyclic number.

It is not a de Polignac number, because 50317681 - 2⁵ = 50317649 is a prime.

It is a super-3 number, since 3×50317681³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50317621) 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 7 ways as a sum of consecutive naturals, for example, 42126 + ... + 43303.

It is an arithmetic number, because the mean of its divisors is an integer number (6834400).

Almost surely, 2^50317681 is an apocalyptic number.

It is an amenable number.

50317681 is a deficient number, since it is larger than the sum of its proper divisors (4357519).

50317681 is a wasteful number, since it uses less digits than its factorization.

50317681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85479.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 50317681 is about 7093.4956826659. The cubic root of 50317681 is about 369.1817344483.

Adding to 50317681 its reverse (18671305), we get a palindrome (68988986).

The spelling of 50317681 in words is "fifty million, three hundred seventeen thousand, six hundred eighty-one".