553844 has 6 divisors (see below), whose sum is σ = 969234. Its totient is φ = 276920.

The previous prime is 553837. The next prime is 553849. The reversal of 553844 is 448355.

553844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 438244 + 115600 = 662^2 + 340^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 553844.

It is not an unprimeable number, because it can be changed into a prime (553849) by changing a digit.

553844 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69227 + ... + 69234.

It is an arithmetic number, because the mean of its divisors is an integer number (161539).

2⁵⁵³⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

553844 is a deficient number, since it is larger than the sum of its proper divisors (415390).

553844 is a wasteful number, since it uses less digits than its factorization.

553844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138465 (or 138463 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 553844 is about 744.2069604619. The cubic root of 553844 is about 82.1225611212.

The spelling of 553844 in words is "five hundred fifty-three thousand, eight hundred forty-four".