50983889 has 4 divisors (see below), whose sum is σ = 55618800. Its totient is φ = 46348980.

The previous prime is 50983883. The next prime is 50983903. The reversal of 50983889 is 98838905.

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 a cyclic number.

It is not a de Polignac number, because 50983889 - 2²⁰ = 49935313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50983883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2317439 + ... + 2317460.

It is an arithmetic number, because the mean of its divisors is an integer number (13904700).

Almost surely, 2^50983889 is an apocalyptic number.

It is an amenable number.

50983889 is a deficient number, since it is larger than the sum of its proper divisors (4634911).

50983889 is a wasteful number, since it uses less digits than its factorization.

50983889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4634910.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 50983889 is about 7140.3003438231. The cubic root of 50983889 is about 370.8039228061.

The spelling of 50983889 in words is "fifty million, nine hundred eighty-three thousand, eight hundred eighty-nine".