556104 has 64 divisors (see below), whose sum is σ = 1555200. Its totient is φ = 164864.

The previous prime is 556103. The next prime is 556123. The reversal of 556104 is 401655.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (556103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11809 + ... + 11855.

It is an arithmetic number, because the mean of its divisors is an integer number (24300).

2⁵⁵⁶¹⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777600).

556104 is an abundant number, since it is smaller than the sum of its proper divisors (999096).

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

556104 is a wasteful number, since it uses less digits than its factorization.

556104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 556104 is about 745.7238094630. The cubic root of 556104 is about 82.2341118537.

Adding to 556104 its reverse (401655), we get a palindrome (957759).

Subtracting from 556104 its reverse (401655), we obtain a square (154449 = 393²).

The spelling of 556104 in words is "five hundred fifty-six thousand, one hundred four".