556616 has 16 divisors (see below), whose sum is σ = 1069740. Its totient is φ = 271360.

The previous prime is 556613. The next prime is 556627. The reversal of 556616 is 616655.

It can be written as a sum of positive squares in 2 ways, for example, as 556516 + 100 = 746^2 + 10^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521 + ... + 1176.

2⁵⁵⁶⁶¹⁶ is an apocalyptic number.

It is an amenable number.

556616 is a deficient number, since it is larger than the sum of its proper divisors (513124).

556616 is a wasteful number, since it uses less digits than its factorization.

556616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744 (or 1740 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 556616 is about 746.0670211181. The cubic root of 556616 is about 82.2593415171.

The spelling of 556616 in words is "five hundred fifty-six thousand, six hundred sixteen".