50505143 has 6 divisors (see below), whose sum is σ = 54689184. Its totient is φ = 46619976.

The previous prime is 50505139. The next prime is 50505163. The reversal of 50505143 is 34150505.

50505143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50505143 - 2² = 50505139 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 (50505163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149255 + ... + 149592.

It is an arithmetic number, because the mean of its divisors is an integer number (9114864).

Almost surely, 2^50505143 is an apocalyptic number.

50505143 is a deficient number, since it is larger than the sum of its proper divisors (4184041).

50505143 is a wasteful number, since it uses less digits than its factorization.

50505143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298873 (or 298860 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 50505143 is about 7106.6970527806. The cubic root of 50505143 is about 369.6396369625.

Adding to 50505143 its reverse (34150505), we get a palindrome (84655648).

The spelling of 50505143 in words is "fifty million, five hundred five thousand, one hundred forty-three".