556212117 has 4 divisors (see below), whose sum is σ = 741616160. Its totient is φ = 370808076.

The previous prime is 556212101. The next prime is 556212131. The reversal of 556212117 is 711212655.

556212117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 556212117 - 2⁴ = 556212101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556212017) 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, 92702017 + ... + 92702022.

It is an arithmetic number, because the mean of its divisors is an integer number (185404040).

Almost surely, 2^556212117 is an apocalyptic number.

It is an amenable number.

556212117 is a deficient number, since it is larger than the sum of its proper divisors (185404043).

556212117 is a wasteful number, since it uses less digits than its factorization.

556212117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185404042.

The product of its digits is 4200, while the sum is 30.

The square root of 556212117 is about 23584.1496984733. The cubic root of 556212117 is about 822.3944079055.

The spelling of 556212117 in words is "five hundred fifty-six million, two hundred twelve thousand, one hundred seventeen".