50306449 has 4 divisors (see below), whose sum is σ = 50871780. Its totient is φ = 49741120.

The previous prime is 50306447. The next prime is 50306461. The reversal of 50306449 is 94460305.

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 4161600 + 46144849 = 2040^2 + 6793^2 .

It is a cyclic number.

It is not a de Polignac number, because 50306449 - 2¹ = 50306447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50306449.

It is not an unprimeable number, because it can be changed into a prime (50306441) 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 3 ways as a sum of consecutive naturals, for example, 282532 + ... + 282709.

It is an arithmetic number, because the mean of its divisors is an integer number (12717945).

Almost surely, 2^50306449 is an apocalyptic number.

It is an amenable number.

50306449 is a deficient number, since it is larger than the sum of its proper divisors (565331).

50306449 is an equidigital number, since it uses as much as digits as its factorization.

50306449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565330.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 50306449 is about 7092.7039272763. The cubic root of 50306449 is about 369.1542626085.

The spelling of 50306449 in words is "fifty million, three hundred six thousand, four hundred forty-nine".