556478 has 16 divisors (see below), whose sum is σ = 952560. Its totient is φ = 241536.

The previous prime is 556477. The next prime is 556483. The reversal of 556478 is 874655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188 + ... + 1071.

It is an arithmetic number, because the mean of its divisors is an integer number (59535).

2⁵⁵⁶⁴⁷⁸ is an apocalyptic number.

556478 is a deficient number, since it is larger than the sum of its proper divisors (396082).

556478 is a wasteful number, since it uses less digits than its factorization.

556478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291.

The product of its digits is 33600, while the sum is 35.

The square root of 556478 is about 745.9745303963. The cubic root of 556478 is about 82.2525428580.

It can be divided in two parts, 55647 and 8, that added together give a palindrome (55655).

The spelling of 556478 in words is "five hundred fifty-six thousand, four hundred seventy-eight".