50205321 has 6 divisors (see below), whose sum is σ = 72518810. Its totient is φ = 33470208.

The previous prime is 50205319. The next prime is 50205329. The reversal of 50205321 is 12350205.

It is a happy number.

50205321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 47610000 + 2595321 = 6900^2 + 1611^2 .

It is not a de Polignac number, because 50205321 - 2¹ = 50205319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50205294 and 50205303.

It is not an unprimeable number, because it can be changed into a prime (50205329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2789176 + ... + 2789193.

Almost surely, 2^50205321 is an apocalyptic number.

It is an amenable number.

50205321 is a deficient number, since it is larger than the sum of its proper divisors (22313489).

50205321 is a wasteful number, since it uses less digits than its factorization.

50205321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5578375 (or 5578372 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 50205321 is about 7085.5713248827. The cubic root of 50205321 is about 368.9067338702.

Adding to 50205321 its reverse (12350205), we get a palindrome (62555526).

The spelling of 50205321 in words is "fifty million, two hundred five thousand, three hundred twenty-one".