50839489 has 4 divisors (see below), whose sum is σ = 50854356. Its totient is φ = 50824624.

The previous prime is 50839487. The next prime is 50839511. The reversal of 50839489 is 98493805.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98493805 = 5 ⋅19698761.

It can be written as a sum of positive squares in 2 ways, for example, as 34574400 + 16265089 = 5880^2 + 4033^2 .

It is a cyclic number.

It is not a de Polignac number, because 50839489 - 2¹ = 50839487 is a prime.

It is a super-2 number, since 2×50839489² = 5169307283562242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50839487) 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, 567 + ... + 10099.

It is an arithmetic number, because the mean of its divisors is an integer number (12713589).

Almost surely, 2^50839489 is an apocalyptic number.

It is an amenable number.

50839489 is a deficient number, since it is larger than the sum of its proper divisors (14867).

50839489 is an equidigital number, since it uses as much as digits as its factorization.

50839489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14866.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 50839489 is about 7130.1815544907. The cubic root of 50839489 is about 370.4535198482.

The spelling of 50839489 in words is "fifty million, eight hundred thirty-nine thousand, four hundred eighty-nine".