50489 has 4 divisors (see below), whose sum is σ = 52260. Its totient is φ = 48720.

The previous prime is 50461. The next prime is 50497. The reversal of 50489 is 98405.

50489 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 an emirpimes, since its reverse is a distinct semiprime: 98405 = 5 ⋅19681.

It can be written as a sum of positive squares in 2 ways, for example, as 8464 + 42025 = 92^2 + 205^2 .

It is a de Polignac number, because none of the positive numbers 2^k-50489 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 50489.

It is not an unprimeable number, because it can be changed into a prime (50459) 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, 842 + ... + 899.

It is an arithmetic number, because the mean of its divisors is an integer number (13065).

2⁵⁰⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

50489 is a deficient number, since it is larger than the sum of its proper divisors (1771).

50489 is a wasteful number, since it uses less digits than its factorization.

50489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 50489 is about 224.6975745307. The cubic root of 50489 is about 36.9600250026.

The spelling of 50489 in words is "fifty thousand, four hundred eighty-nine".