53444 has 12 divisors (see below), whose sum is σ = 96768. Its totient is φ = 25800.

The previous prime is 53441. The next prime is 53453. The reversal of 53444 is 44435.

It is a happy number.

It is a super-2 number, since 2×53444² = 5712522272, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (53441) 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, 92 + ... + 339.

It is an arithmetic number, because the mean of its divisors is an integer number (8064).

2⁵³⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

53444 is a deficient number, since it is larger than the sum of its proper divisors (43324).

53444 is a wasteful number, since it uses less digits than its factorization.

53444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 464 counting only the distinct ones).

The product of its digits is 960, while the sum is 20.

The square root of 53444 is about 231.1795838737. The cubic root of 53444 is about 37.6674584983.

Adding to 53444 its reverse (44435), we get a palindrome (97879).

Subtracting from 53444 its reverse (44435), we obtain a palindrome (9009).

It can be divided in two parts, 53 and 444, that multiplied together give a palindrome (23532).

The spelling of 53444 in words is "fifty-three thousand, four hundred forty-four".