50509493 has 2 divisors, whose sum is σ = 50509494. Its totient is φ = 50509492.

The previous prime is 50509463. The next prime is 50509513. The reversal of 50509493 is 39490505.

50509493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42797764 + 7711729 = 6542^2 + 2777^2 .

It is a cyclic number.

It is not a de Polignac number, because 50509493 - 2⁸ = 50509237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50509453) 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, 25254746 + 25254747.

It is an arithmetic number, because the mean of its divisors is an integer number (25254747).

Almost surely, 2^50509493 is an apocalyptic number.

It is an amenable number.

50509493 is a deficient number, since it is larger than the sum of its proper divisors (1).

50509493 is an equidigital number, since it uses as much as digits as its factorization.

50509493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 50509493 is about 7107.0030955389. The cubic root of 50509493 is about 369.6502489924.

Adding to 50509493 its reverse (39490505), we get a palindrome (89999998).

The spelling of 50509493 in words is "fifty million, five hundred nine thousand, four hundred ninety-three".