556882809 has 16 divisors (see below), whose sum is σ = 868319232. Its totient is φ = 310817808.

The previous prime is 556882793. The next prime is 556882811. The reversal of 556882809 is 908288655.

556882809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 556882809 - 2⁴ = 556882793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556882829) 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, 307449 + ... + 309254.

It is an arithmetic number, because the mean of its divisors is an integer number (54269952).

Almost surely, 2^556882809 is an apocalyptic number.

It is an amenable number.

556882809 is a deficient number, since it is larger than the sum of its proper divisors (311436423).

556882809 is a wasteful number, since it uses less digits than its factorization.

556882809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616756.

The product of its (nonzero) digits is 1382400, while the sum is 51.

The square root of 556882809 is about 23598.3645407897. The cubic root of 556882809 is about 822.7248284904.

The spelling of 556882809 in words is "five hundred fifty-six million, eight hundred eighty-two thousand, eight hundred nine".