50139466 has 16 divisors (see below), whose sum is σ = 82107144. Its totient is φ = 22823424.

The previous prime is 50139457. The next prime is 50139491. The reversal of 50139466 is 66493105.

50139466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 27300625 + 22838841 = 5225^2 + 4779^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 11311 + ... + 15106.

Almost surely, 2^50139466 is an apocalyptic number.

50139466 is a deficient number, since it is larger than the sum of its proper divisors (31967678).

50139466 is a wasteful number, since it uses less digits than its factorization.

50139466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26505.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 50139466 is about 7080.9226799902. The cubic root of 50139466 is about 368.7453633047.

It can be divided in two parts, 50139 and 466, that added together give a palindrome (50605).

The spelling of 50139466 in words is "fifty million, one hundred thirty-nine thousand, four hundred sixty-six".