99544 has 16 divisors (see below), whose sum is σ = 195120. Its totient is φ = 47520.

The previous prime is 99529. The next prime is 99551. The reversal of 99544 is 44599.

It is a happy number.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

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, 87 + ... + 454.

It is an arithmetic number, because the mean of its divisors is an integer number (12195).

2⁹⁹⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

99544 is a deficient number, since it is larger than the sum of its proper divisors (95576).

99544 is a wasteful number, since it uses less digits than its factorization.

99544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 566 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 99544 is about 315.5059428917. The cubic root of 99544 is about 46.3452286741.

Subtracting from 99544 its reverse (44599), we obtain a palindrome (54945).

The spelling of 99544 in words is "ninety-nine thousand, five hundred forty-four".