556504 has 16 divisors (see below), whose sum is σ = 1123920. Its totient is φ = 256800.

The previous prime is 556487. The next prime is 556513. The reversal of 556504 is 405655.

556504 = T₄₇ + T₄₈ + ... + T₁₅₀.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2572 + ... + 2779.

It is an arithmetic number, because the mean of its divisors is an integer number (70245).

2⁵⁵⁶⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

556504 is an abundant number, since it is smaller than the sum of its proper divisors (567416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556504 is a wasteful number, since it uses less digits than its factorization.

556504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5370 (or 5366 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 556504 is about 745.9919570612. The cubic root of 556504 is about 82.2538238507.

Adding to 556504 its product of nonzero digits (3000), we get a square (559504 = 748²).

The spelling of 556504 in words is "five hundred fifty-six thousand, five hundred four".