49889 has 4 divisors (see below), whose sum is σ = 57024. Its totient is φ = 42756.

The previous prime is 49877. The next prime is 49891. The reversal of 49889 is 98894.

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 not a de Polignac number, because 49889 - 2⁸ = 49633 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 49889.

It is not an unprimeable number, because it can be changed into a prime (49789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3557 + ... + 3570.

It is an arithmetic number, because the mean of its divisors is an integer number (14256).

2⁴⁹⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

49889 is a deficient number, since it is larger than the sum of its proper divisors (7135).

49889 is an equidigital number, since it uses as much as digits as its factorization.

49889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7134.

The product of its digits is 20736, while the sum is 38.

The square root of 49889 is about 223.3584562984. The cubic root of 49889 is about 36.8130329546.

The spelling of 49889 in words is "forty-nine thousand, eight hundred eighty-nine".