50450321 has 4 divisors (see below), whose sum is σ = 50706612. Its totient is φ = 50194032.

The previous prime is 50450297. The next prime is 50450341. The reversal of 50450321 is 12305405.

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 23814400 + 26635921 = 4880^2 + 5161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50450321 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 = 50450293 and 50450302.

It is not an unprimeable number, because it can be changed into a prime (50450341) 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, 127850 + ... + 128243.

It is an arithmetic number, because the mean of its divisors is an integer number (12676653).

Almost surely, 2^50450321 is an apocalyptic number.

It is an amenable number.

50450321 is a deficient number, since it is larger than the sum of its proper divisors (256291).

50450321 is a wasteful number, since it uses less digits than its factorization.

50450321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256290.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 50450321 is about 7102.8389394664. The cubic root of 50450321 is about 369.5058438506.

Adding to 50450321 its reverse (12305405), we get a palindrome (62755726).

The spelling of 50450321 in words is "fifty million, four hundred fifty thousand, three hundred twenty-one".