50045311213 has 8 divisors (see below), whose sum is σ = 50301127800. Its totient is φ = 49789893120.

The previous prime is 50045311207. The next prime is 50045311241. The reversal of 50045311213 is 31211354005.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15157795689 + 34887515524 = 123117^2 + 186782^2 .

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 50045311213 - 2²¹ = 50043214061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50045311273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153831 + ... + 351787.

It is an arithmetic number, because the mean of its divisors is an integer number (6287640975).

Almost surely, 2^50045311213 is an apocalyptic number.

It is an amenable number.

50045311213 is a deficient number, since it is larger than the sum of its proper divisors (255816587).

50045311213 is a wasteful number, since it uses less digits than its factorization.

50045311213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199247.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 50045311213 its reverse (31211354005), we get a palindrome (81256665218).

The spelling of 50045311213 in words is "fifty billion, forty-five million, three hundred eleven thousand, two hundred thirteen".