556242 has 8 divisors (see below), whose sum is σ = 1112496. Its totient is φ = 185412.

The previous prime is 556229. The next prime is 556243. The reversal of 556242 is 242655.

556242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

556242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (556243) by changing a digit.

556242 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46348 + ... + 46359.

It is an arithmetic number, because the mean of its divisors is an integer number (139062).

2⁵⁵⁶²⁴² is an apocalyptic number.

556242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

556242 is a wasteful number, since it uses less digits than its factorization.

556242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92712.

The product of its digits is 2400, while the sum is 24.

The square root of 556242 is about 745.8163312773. The cubic root of 556242 is about 82.2409135603.

Adding to 556242 its reverse (242655), we get a palindrome (798897).

The spelling of 556242 in words is "five hundred fifty-six thousand, two hundred forty-two".