50016321 has 6 divisors (see below), whose sum is σ = 72245810. Its totient is φ = 33344208.

The previous prime is 50016313. The next prime is 50016331. The reversal of 50016321 is 12361005.

50016321 is a `hidden beast` number, since 500 + 163 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43046721 + 6969600 = 6561^2 + 2640^2 .

It is not a de Polignac number, because 50016321 - 2³ = 50016313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50016294 and 50016303.

It is not an unprimeable number, because it can be changed into a prime (50016301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2778676 + ... + 2778693.

Almost surely, 2^50016321 is an apocalyptic number.

It is an amenable number.

50016321 is a deficient number, since it is larger than the sum of its proper divisors (22229489).

50016321 is a wasteful number, since it uses less digits than its factorization.

50016321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557375 (or 5557372 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 50016321 is about 7072.2217866806. The cubic root of 50016321 is about 368.4432302221.

Adding to 50016321 its reverse (12361005), we get a palindrome (62377326).

The spelling of 50016321 in words is "fifty million, sixteen thousand, three hundred twenty-one".