50031533520013 has 6 divisors (see below), whose sum is σ = 51420283173546. Its totient is φ = 48679329910032.

The previous prime is 50031533519963. The next prime is 50031533520029. The reversal of 50031533520013 is 31002533513005.

50031533520013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 42052592131209 + 7978941388804 = 6484797^2 + 2824702^2 .

It is not a de Polignac number, because 50031533520013 - 2⁹ = 50031533519501 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 (50031533520083) 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 5 ways as a sum of consecutive naturals, for example, 18273020370 + ... + 18273023107.

It is an arithmetic number, because the mean of its divisors is an integer number (8570047195591).

Almost surely, 2^{50031533520013} is an apocalyptic number.

It is an amenable number.

50031533520013 is a deficient number, since it is larger than the sum of its proper divisors (1388749653533).

50031533520013 is an equidigital number, since it uses as much as digits as its factorization.

50031533520013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36546043551 (or 36546043514 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 31.

The spelling of 50031533520013 in words is "fifty trillion, thirty-one billion, five hundred thirty-three million, five hundred twenty thousand, thirteen".