552444 has 24 divisors (see below), whose sum is σ = 1357440. Its totient is φ = 174384.

The previous prime is 552403. The next prime is 552469. The reversal of 552444 is 444255.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

552444 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 in 7 ways as a sum of consecutive naturals, for example, 984 + ... + 1439.

It is an arithmetic number, because the mean of its divisors is an integer number (56560).

2⁵⁵²⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

552444 is an abundant number, since it is smaller than the sum of its proper divisors (804996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

552444 is a wasteful number, since it uses less digits than its factorization.

552444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449 (or 2447 counting only the distinct ones).

The product of its digits is 3200, while the sum is 24.

The square root of 552444 is about 743.2657667349. The cubic root of 552444 is about 82.0533066040.

Adding to 552444 its reverse (444255), we get a palindrome (996699).

The spelling of 552444 in words is "five hundred fifty-two thousand, four hundred forty-four".