49899 has 4 divisors (see below), whose sum is σ = 66536. Its totient is φ = 33264.

The previous prime is 49891. The next prime is 49919. The reversal of 49899 is 99894.

49899 is nontrivially palindromic in base 11.

49899 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 49899 - 2³ = 49891 is a prime.

It is a d-powerful number, because it can be written as 4⁷ + 9 + 8⁵ + 9 + 9³ .

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (49891) 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, 8314 + ... + 8319.

It is an arithmetic number, because the mean of its divisors is an integer number (16634).

2⁴⁹⁸⁹⁹ is an apocalyptic number.

49899 is a deficient number, since it is larger than the sum of its proper divisors (16637).

49899 is a wasteful number, since it uses less digits than its factorization.

49899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16636.

The product of its digits is 23328, while the sum is 39.

The square root of 49899 is about 223.3808407183. The cubic root of 49899 is about 36.8154924530.

The spelling of 49899 in words is "forty-nine thousand, eight hundred ninety-nine".