50387143 has 2 divisors, whose sum is σ = 50387144. Its totient is φ = 50387142.

The previous prime is 50387111. The next prime is 50387147. The reversal of 50387143 is 34178305.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50387143 - 2⁵ = 50387111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50387147) 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, 25193571 + 25193572.

It is an arithmetic number, because the mean of its divisors is an integer number (25193572).

Almost surely, 2^50387143 is an apocalyptic number.

50387143 is a deficient number, since it is larger than the sum of its proper divisors (1).

50387143 is an equidigital number, since it uses as much as digits as its factorization.

50387143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 50387143 is about 7098.3901696089. The cubic root of 50387143 is about 369.3515376525.

The spelling of 50387143 in words is "fifty million, three hundred eighty-seven thousand, one hundred forty-three".