50433139 has 2 divisors, whose sum is σ = 50433140. Its totient is φ = 50433138.

The previous prime is 50433137. The next prime is 50433161. The reversal of 50433139 is 93133405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50433139 - 2¹ = 50433137 is a prime.

Together with 50433137, it forms a pair of twin primes.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (50433137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25216569 + 25216570.

It is an arithmetic number, because the mean of its divisors is an integer number (25216570).

Almost surely, 2^50433139 is an apocalyptic number.

50433139 is a deficient number, since it is larger than the sum of its proper divisors (1).

50433139 is an equidigital number, since it uses as much as digits as its factorization.

50433139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 50433139 is about 7101.6293200927. The cubic root of 50433139 is about 369.4638912249.

The spelling of 50433139 in words is "fifty million, four hundred thirty-three thousand, one hundred thirty-nine".