50169889 has 16 divisors (see below), whose sum is σ = 62724096. Its totient is φ = 38984400.

The previous prime is 50169887. The next prime is 50169929. The reversal of 50169889 is 98896105.

It is not a de Polignac number, because 50169889 - 2¹ = 50169887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50169887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37144 + ... + 38470.

It is an arithmetic number, because the mean of its divisors is an integer number (3920256).

Almost surely, 2^50169889 is an apocalyptic number.

It is an amenable number.

50169889 is a deficient number, since it is larger than the sum of its proper divisors (12554207).

50169889 is a wasteful number, since it uses less digits than its factorization.

50169889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836.

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 50169889 is about 7083.0705912055. The cubic root of 50169889 is about 368.8199291300.

The spelling of 50169889 in words is "fifty million, one hundred sixty-nine thousand, eight hundred eighty-nine".