50513143 has 2 divisors, whose sum is σ = 50513144. Its totient is φ = 50513142.

The previous prime is 50513131. The next prime is 50513161. The reversal of 50513143 is 34131505.

It is a happy number.

50513143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50513143 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50511143) 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 as a sum of consecutive naturals, namely, 25256571 + 25256572.

It is an arithmetic number, because the mean of its divisors is an integer number (25256572).

Almost surely, 2^50513143 is an apocalyptic number.

50513143 is a deficient number, since it is larger than the sum of its proper divisors (1).

50513143 is an equidigital number, since it uses as much as digits as its factorization.

50513143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 50513143 is about 7107.2598798693. The cubic root of 50513143 is about 369.6591528692.

Adding to 50513143 its reverse (34131505), we get a palindrome (84644648).

The spelling of 50513143 in words is "fifty million, five hundred thirteen thousand, one hundred forty-three".