553444 has 12 divisors (see below), whose sum is σ = 980784. Its totient is φ = 273224.

The previous prime is 553439. The next prime is 553447. The reversal of 553444 is 444355.

It is a super-2 number, since 2×553444² = 612600522272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (553447) 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, 502 + ... + 1165.

It is an arithmetic number, because the mean of its divisors is an integer number (81732).

2⁵⁵³⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

553444 is a deficient number, since it is larger than the sum of its proper divisors (427340).

553444 is a wasteful number, since it uses less digits than its factorization.

553444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754 (or 1752 counting only the distinct ones).

The product of its digits is 4800, while the sum is 25.

The square root of 553444 is about 743.9381694738. The cubic root of 553444 is about 82.1027860367.

Adding to 553444 its reverse (444355), we get a palindrome (997799).

It can be divided in two parts, 55 and 3444, that multiplied together give a triangular number (189420 = T₆₁₅).

The spelling of 553444 in words is "five hundred fifty-three thousand, four hundred forty-four".