50444441321 has 4 divisors (see below), whose sum is σ = 50450143044. Its totient is φ = 50438739600.

The previous prime is 50444441279. The next prime is 50444441353. The reversal of 50444441321 is 12314444405.

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 27015853225 + 23428588096 = 164365^2 + 153064^2 .

It is a cyclic number.

It is not a de Polignac number, because 50444441321 - 2²⁶ = 50377332457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50444441221) 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, 2837570 + ... + 2855291.

It is an arithmetic number, because the mean of its divisors is an integer number (12612535761).

Almost surely, 2^50444441321 is an apocalyptic number.

It is an amenable number.

50444441321 is a deficient number, since it is larger than the sum of its proper divisors (5701723).

50444441321 is an equidigital number, since it uses as much as digits as its factorization.

50444441321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5701722.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 50444441321 its reverse (12314444405), we get a palindrome (62758885726).

The spelling of 50444441321 in words is "fifty billion, four hundred forty-four million, four hundred forty-one thousand, three hundred twenty-one".