48999 has 4 divisors (see below), whose sum is σ = 65336. Its totient is φ = 32664.

The previous prime is 48991. The next prime is 49003. The reversal of 48999 is 99984.

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

It is not a de Polignac number, because 48999 - 2³ = 48991 is a prime.

It is a D-number.

It is a Duffinian number.

48999 is a modest number, since divided by 999 gives 48 as remainder.

48999 is a lucky number.

It is a plaindrome in base 10 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48991) 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, 8164 + ... + 8169.

It is an arithmetic number, because the mean of its divisors is an integer number (16334).

2⁴⁸⁹⁹⁹ is an apocalyptic number.

48999 is a deficient number, since it is larger than the sum of its proper divisors (16337).

48999 is a wasteful number, since it uses less digits than its factorization.

48999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16336.

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

The square root of 48999 is about 221.3571774305. The cubic root of 48999 is about 36.5928081662.

Adding to 48999 its product of digits (23328), we get a palindrome (72327).

The spelling of 48999 in words is "forty-eight thousand, nine hundred ninety-nine".