556516 has 9 divisors (see below), whose sum is σ = 976521. Its totient is φ = 277512.

The previous prime is 556513. The next prime is 556519. The reversal of 556516 is 615655.

The square root of 556516 is 746.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (556513) and next prime (556519).

It can be written as a sum of positive squares in only one way, i.e., 302500 + 254016 = 550^2 + 504^2 .

It is a Duffinian number.

Its product of digits (4500) is a multiple of the sum of its prime divisors (375).

It is not an unprimeable number, because it can be changed into a prime (556513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1306 + ... + 1678.

2⁵⁵⁶⁵¹⁶ is an apocalyptic number.

556516 is the 746-th square number.

It is an amenable number.

556516 is a deficient number, since it is larger than the sum of its proper divisors (420005).

556516 is an equidigital number, since it uses as much as digits as its factorization.

556516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 375 counting only the distinct ones).

The product of its digits is 4500, while the sum is 28.

The cubic root of 556516 is about 82.2544150647.

The spelling of 556516 in words is "five hundred fifty-six thousand, five hundred sixteen".