553744 has 20 divisors (see below), whose sum is σ = 1094796. Its totient is φ = 271232.

The previous prime is 553733. The next prime is 553747. The reversal of 553744 is 447355.

It can be written as a sum of positive squares in 2 ways, for example, as 262144 + 291600 = 512^2 + 540^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553747) by changing a digit.

553744 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 522 + ... + 1174.

2⁵⁵³⁷⁴⁴ is an apocalyptic number.

It is an amenable number.

553744 is a deficient number, since it is larger than the sum of its proper divisors (541052).

553744 is a wasteful number, since it uses less digits than its factorization.

553744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 708 counting only the distinct ones).

The product of its digits is 8400, while the sum is 28.

The square root of 553744 is about 744.1397718171. The cubic root of 553744 is about 82.1176182429.

The spelling of 553744 in words is "five hundred fifty-three thousand, seven hundred forty-four".