556413 has 16 divisors (see below), whose sum is σ = 872256. Its totient is φ = 311040.

The previous prime is 556403. The next prime is 556441. The reversal of 556413 is 314655.

It is not a de Polignac number, because 556413 - 2¹² = 552317 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556403) 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 15 ways as a sum of consecutive naturals, for example, 220 + ... + 1077.

It is an arithmetic number, because the mean of its divisors is an integer number (54516).

2⁵⁵⁶⁴¹³ is an apocalyptic number.

It is an amenable number.

556413 is a deficient number, since it is larger than the sum of its proper divisors (315843).

556413 is a wasteful number, since it uses less digits than its factorization.

556413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324.

The product of its digits is 1800, while the sum is 24.

The square root of 556413 is about 745.9309619529. The cubic root of 556413 is about 82.2493402016.

It can be divided in two parts, 556 and 413, that added together give a palindrome (969).

The spelling of 556413 in words is "five hundred fifty-six thousand, four hundred thirteen".