556043213 has 16 divisors (see below), whose sum is σ = 612144000. Its totient is φ = 500892480.

The previous prime is 556043209. The next prime is 556043231. The reversal of 556043213 is 312340655.

It is not a de Polignac number, because 556043213 - 2² = 556043209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556043413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 851195 + ... + 851847.

It is an arithmetic number, because the mean of its divisors is an integer number (38259000).

Almost surely, 2^556043213 is an apocalyptic number.

It is an amenable number.

556043213 is a deficient number, since it is larger than the sum of its proper divisors (56100787).

556043213 is a wasteful number, since it uses less digits than its factorization.

556043213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 556043213 is about 23580.5685470050. The cubic root of 556043213 is about 822.3111544346.

Adding to 556043213 its reverse (312340655), we get a palindrome (868383868).

The spelling of 556043213 in words is "five hundred fifty-six million, forty-three thousand, two hundred thirteen".