50351413513 has 4 divisors (see below), whose sum is σ = 50352530580. Its totient is φ = 50350296448.

The previous prime is 50351413403. The next prime is 50351413523. The reversal of 50351413513 is 31531415305.

50351413513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 24993080464 + 25358333049 = 158092^2 + 159243^2 .

It is a cyclic number.

It is not a de Polignac number, because 50351413513 - 2²⁹ = 49814542601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50351413523) 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, 487948 + ... + 582061.

It is an arithmetic number, because the mean of its divisors is an integer number (12588132645).

Almost surely, 2^50351413513 is an apocalyptic number.

It is an amenable number.

50351413513 is a deficient number, since it is larger than the sum of its proper divisors (1117067).

50351413513 is a wasteful number, since it uses less digits than its factorization.

50351413513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117066.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 50351413513 its reverse (31531415305), we get a palindrome (81882828818).

The spelling of 50351413513 in words is "fifty billion, three hundred fifty-one million, four hundred thirteen thousand, five hundred thirteen".