44553 has 4 divisors (see below), whose sum is σ = 59408. Its totient is φ = 29700.

The previous prime is 44549. The next prime is 44563. The reversal of 44553 is 35544.

It is a happy number.

44553 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

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 44553 - 2² = 44549 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 44553.

It is not an unprimeable number, because it can be changed into a prime (44533) 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, 7423 + ... + 7428.

It is an arithmetic number, because the mean of its divisors is an integer number (14852).

2⁴⁴⁵⁵³ is an apocalyptic number.

It is an amenable number.

44553 is a deficient number, since it is larger than the sum of its proper divisors (14855).

44553 is a wasteful number, since it uses less digits than its factorization.

44553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14854.

The product of its digits is 1200, while the sum is 21.

The square root of 44553 is about 211.0758157630. The cubic root of 44553 is about 35.4507682307.

Adding to 44553 its product of digits (1200), we get a triangular number (45753 = T₃₀₂).

Subtracting from 44553 its reverse (35544), we obtain a palindrome (9009).

The spelling of 44553 in words is "forty-four thousand, five hundred fifty-three".