555656 has 8 divisors (see below), whose sum is σ = 1041870. Its totient is φ = 277824.

The previous prime is 555637. The next prime is 555661. The reversal of 555656 is 656555.

It can be written as a sum of positive squares in only one way, i.e., 538756 + 16900 = 734^2 + 130^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34721 + ... + 34736.

2⁵⁵⁵⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

555656 is a deficient number, since it is larger than the sum of its proper divisors (486214).

555656 is a wasteful number, since it uses less digits than its factorization.

555656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69463 (or 69459 counting only the distinct ones).

The product of its digits is 22500, while the sum is 32.

The square root of 555656 is about 745.4233696363. The cubic root of 555656 is about 82.2120231918.

The spelling of 555656 in words is "five hundred fifty-five thousand, six hundred fifty-six".