556574 has 16 divisors (see below), whose sum is σ = 884736. Its totient is φ = 262200.

The previous prime is 556573. The next prime is 556579. The reversal of 556574 is 475655.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 556574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556573) 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 7 ways as a sum of consecutive naturals, for example, 2819 + ... + 3009.

It is an arithmetic number, because the mean of its divisors is an integer number (55296).

2⁵⁵⁶⁵⁷⁴ is an apocalyptic number.

556574 is a deficient number, since it is larger than the sum of its proper divisors (328162).

556574 is a wasteful number, since it uses less digits than its factorization.

556574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271.

The product of its digits is 21000, while the sum is 32.

The square root of 556574 is about 746.0388729818. The cubic root of 556574 is about 82.2572724790.

The spelling of 556574 in words is "five hundred fifty-six thousand, five hundred seventy-four".