556099 has 4 divisors (see below), whose sum is σ = 558360. Its totient is φ = 553840.

The previous prime is 556093. The next prime is 556103. The reversal of 556099 is 990655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 556099 - 2⁵ = 556067 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709 + ... + 1270.

It is an arithmetic number, because the mean of its divisors is an integer number (139590).

2⁵⁵⁶⁰⁹⁹ is an apocalyptic number.

556099 is a deficient number, since it is larger than the sum of its proper divisors (2261).

556099 is a wasteful number, since it uses less digits than its factorization.

556099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 556099 is about 745.7204570079. The cubic root of 556099 is about 82.2338653939.

The spelling of 556099 in words is "five hundred fifty-six thousand, ninety-nine".