555944 has 8 divisors (see below), whose sum is σ = 1042410. Its totient is φ = 277968.

The previous prime is 555941. The next prime is 555953. The reversal of 555944 is 449555.

It is a happy number.

555944 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., 315844 + 240100 = 562^2 + 490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×555944² = 618147462272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 555944.

It is not an unprimeable number, because it can be changed into a prime (555941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34739 + ... + 34754.

2⁵⁵⁵⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

555944 is a deficient number, since it is larger than the sum of its proper divisors (486466).

555944 is a wasteful number, since it uses less digits than its factorization.

555944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69499 (or 69495 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 555944 is about 745.6165234221. The cubic root of 555944 is about 82.2262244082.

The spelling of 555944 in words is "five hundred fifty-five thousand, nine hundred forty-four".