50055513110021 has 4 divisors (see below), whose sum is σ = 51670207081344. Its totient is φ = 48440819138700.

The previous prime is 50055513109909. The next prime is 50055513110039. The reversal of 50055513110021 is 12001131555005.

50055513110021 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50055513110021 - 2¹⁸ = 50055512847877 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 (50055513110081) 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 3 ways as a sum of consecutive naturals, for example, 807346985615 + ... + 807346985676.

It is an arithmetic number, because the mean of its divisors is an integer number (12917551770336).

Almost surely, 2^{50055513110021} is an apocalyptic number.

It is an amenable number.

50055513110021 is a deficient number, since it is larger than the sum of its proper divisors (1614693971323).

50055513110021 is a wasteful number, since it uses less digits than its factorization.

50055513110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614693971322.

The product of its (nonzero) digits is 3750, while the sum is 29.

Adding to 50055513110021 its reverse (12001131555005), we get a palindrome (62056644665026).

The spelling of 50055513110021 in words is "fifty trillion, fifty-five billion, five hundred thirteen million, one hundred ten thousand, twenty-one".