50489431 has 2 divisors, whose sum is σ = 50489432. Its totient is φ = 50489430.

The previous prime is 50489399. The next prime is 50489437. The reversal of 50489431 is 13498405.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50489431 - 2⁵ = 50489399 is a prime.

It is a super-2 number, since 2×50489431² = 5098365285407522, which contains 22 as substring.

It is equal to p_3028687 and since 50489431 and 3028687 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50489437) 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, 25244715 + 25244716.

It is an arithmetic number, because the mean of its divisors is an integer number (25244716).

Almost surely, 2^50489431 is an apocalyptic number.

50489431 is a deficient number, since it is larger than the sum of its proper divisors (1).

50489431 is an equidigital number, since it uses as much as digits as its factorization.

50489431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 50489431 is about 7105.5915306187. The cubic root of 50489431 is about 369.6013017225.

The spelling of 50489431 in words is "fifty million, four hundred eighty-nine thousand, four hundred thirty-one".