556144 has 10 divisors (see below), whose sum is σ = 1077560. Its totient is φ = 278064.

The previous prime is 556123. The next prime is 556159. The reversal of 556144 is 441655.

It is a super-2 number, since 2×556144² = 618592297472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

556144 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, 17364 + ... + 17395.

It is an arithmetic number, because the mean of its divisors is an integer number (107756).

2⁵⁵⁶¹⁴⁴ is an apocalyptic number.

It is an amenable number.

556144 is a deficient number, since it is larger than the sum of its proper divisors (521416).

556144 is a wasteful number, since it uses less digits than its factorization.

556144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34767 (or 34761 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 556144 is about 745.7506285616. The cubic root of 556144 is about 82.2360834786.

Adding to 556144 its reverse (441655), we get a palindrome (997799).

The spelling of 556144 in words is "five hundred fifty-six thousand, one hundred forty-four".