50440540213 has 4 divisors (see below), whose sum is σ = 57646331680. Its totient is φ = 43234748748.

The previous prime is 50440540177. The next prime is 50440540219. The reversal of 50440540213 is 31204504405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50440540213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50440540219) 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, 3602895723 + ... + 3602895736.

It is an arithmetic number, because the mean of its divisors is an integer number (14411582920).

Almost surely, 2^50440540213 is an apocalyptic number.

It is an amenable number.

50440540213 is a deficient number, since it is larger than the sum of its proper divisors (7205791467).

50440540213 is an equidigital number, since it uses as much as digits as its factorization.

50440540213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7205791466.

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 50440540213 in words is "fifty billion, four hundred forty million, five hundred forty thousand, two hundred thirteen".