50142133 has 4 divisors (see below), whose sum is σ = 50156608. Its totient is φ = 50127660.

The previous prime is 50142101. The next prime is 50142143. The reversal of 50142133 is 33124105.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 50142133 - 2⁵ = 50142101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50142133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50142143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378 + ... + 10108.

It is an arithmetic number, because the mean of its divisors is an integer number (12539152).

Almost surely, 2^50142133 is an apocalyptic number.

It is an amenable number.

50142133 is a deficient number, since it is larger than the sum of its proper divisors (14475).

50142133 is an equidigital number, since it uses as much as digits as its factorization.

50142133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14474.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 50142133 is about 7081.1110004010. Note that the first 3 decimals coincide. The cubic root of 50142133 is about 368.7519012446.

Adding to 50142133 its reverse (33124105), we get a palindrome (83266238).

The spelling of 50142133 in words is "fifty million, one hundred forty-two thousand, one hundred thirty-three".