50408189 has 8 divisors (see below), whose sum is σ = 54341112. Its totient is φ = 46483200.

The previous prime is 50408173. The next prime is 50408231. The reversal of 50408189 is 98180405.

50408189 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 3485689 + 46922500 = 1867^2 + 6850^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50408189 - 2⁴ = 50408173 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 (50408129) 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 7 ways as a sum of consecutive naturals, for example, 22337 + ... + 24489.

It is an arithmetic number, because the mean of its divisors is an integer number (6792639).

Almost surely, 2^50408189 is an apocalyptic number.

It is an amenable number.

50408189 is a deficient number, since it is larger than the sum of its proper divisors (3932923).

50408189 is a wasteful number, since it uses less digits than its factorization.

50408189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 50408189 is about 7099.8724636433. The cubic root of 50408189 is about 369.4029548063.

The spelling of 50408189 in words is "fifty million, four hundred eight thousand, one hundred eighty-nine".