50306321 has 8 divisors (see below), whose sum is σ = 54269544. Its totient is φ = 46356480.

The previous prime is 50306297. The next prime is 50306323. The reversal of 50306321 is 12360305.

It can be written as a sum of positive squares in 4 ways, for example, as 3534400 + 46771921 = 1880^2 + 6839^2 .

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 50306321 - 2⁶ = 50306257 is a prime.

It is a super-3 number, since 3×50306321³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50306293 and 50306302.

It is not an unprimeable number, because it can be changed into a prime (50306323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5315 + ... + 11351.

It is an arithmetic number, because the mean of its divisors is an integer number (6783693).

Almost surely, 2^50306321 is an apocalyptic number.

It is an amenable number.

50306321 is a deficient number, since it is larger than the sum of its proper divisors (3963223).

50306321 is a wasteful number, since it uses less digits than its factorization.

50306321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 50306321 is about 7092.6949039135. The cubic root of 50306321 is about 369.1539495155.

Adding to 50306321 its reverse (12360305), we get a palindrome (62666626).

The spelling of 50306321 in words is "fifty million, three hundred six thousand, three hundred twenty-one".