50364113055521 has 4 divisors (see below), whose sum is σ = 50364128017044. Its totient is φ = 50364098094000.

The previous prime is 50364113055517. The next prime is 50364113055577. The reversal of 50364113055521 is 12555031146305.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 34375191137296 + 15988921918225 = 5863036^2 + 3998615^2 .

It is a cyclic number.

It is not a de Polignac number, because 50364113055521 - 2² = 50364113055517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50364113055721) 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, 191471 + ... + 10038171.

It is an arithmetic number, because the mean of its divisors is an integer number (12591032004261).

Almost surely, 2^{50364113055521} is an apocalyptic number.

It is an amenable number.

50364113055521 is a deficient number, since it is larger than the sum of its proper divisors (14961523).

50364113055521 is an equidigital number, since it uses as much as digits as its factorization.

50364113055521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14961522.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 50364113055521 in words is "fifty trillion, three hundred sixty-four billion, one hundred thirteen million, fifty-five thousand, five hundred twenty-one".