556090 has 8 divisors (see below), whose sum is σ = 1000980. Its totient is φ = 222432.

The previous prime is 556069. The next prime is 556093. The reversal of 556090 is 90655.

It is a happy number.

556090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 531441 + 24649 = 729^2 + 157^2 .

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

It is not an unprimeable number, because it can be changed into a prime (556093) by changing a digit.

556090 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, 27795 + ... + 27814.

2⁵⁵⁶⁰⁹⁰ is an apocalyptic number.

556090 is a deficient number, since it is larger than the sum of its proper divisors (444890).

556090 is a wasteful number, since it uses less digits than its factorization.

556090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55616.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 556090 is about 745.7144225506. The cubic root of 556090 is about 82.2334217626.

The spelling of 556090 in words is "five hundred fifty-six thousand, ninety".