50561010013 has 16 divisors (see below), whose sum is σ = 53495479296. Its totient is φ = 47719077120.

The previous prime is 50561010011. The next prime is 50561010043. The reversal of 50561010013 is 31001016505.

It is a cyclic number.

It is not a de Polignac number, because 50561010013 - 2¹ = 50561010011 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 (50561010011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182245 + ... + 366517.

It is an arithmetic number, because the mean of its divisors is an integer number (3343467456).

Almost surely, 2^50561010013 is an apocalyptic number.

50561010013 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

50561010013 is a deficient number, since it is larger than the sum of its proper divisors (2934469283).

50561010013 is a wasteful number, since it uses less digits than its factorization.

50561010013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184524.

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 50561010013 its reverse (31001016505), we get a palindrome (81562026518).

The spelling of 50561010013 in words is "fifty billion, five hundred sixty-one million, ten thousand, thirteen".