50266389 has 4 divisors (see below), whose sum is σ = 67021856. Its totient is φ = 33510924.

The previous prime is 50266351. The next prime is 50266393. The reversal of 50266389 is 98366205.

50266389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 50266389 - 2⁷ = 50266261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50266189) 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 in 3 ways as a sum of consecutive naturals, for example, 8377729 + ... + 8377734.

It is an arithmetic number, because the mean of its divisors is an integer number (16755464).

Almost surely, 2^50266389 is an apocalyptic number.

It is an amenable number.

50266389 is a deficient number, since it is larger than the sum of its proper divisors (16755467).

50266389 is a wasteful number, since it uses less digits than its factorization.

50266389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16755466.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 50266389 is about 7089.8793360677. The cubic root of 50266389 is about 369.0562483565.

The spelling of 50266389 in words is "fifty million, two hundred sixty-six thousand, three hundred eighty-nine".