556206853 has 4 divisors (see below), whose sum is σ = 558371340. Its totient is φ = 554042368.

The previous prime is 556206851. The next prime is 556206877. The reversal of 556206853 is 358602655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 358602655 = 5 ⋅71720531.

It can be written as a sum of positive squares in 2 ways, for example, as 400880484 + 155326369 = 20022^2 + 12463^2 .

It is a cyclic number.

It is not a de Polignac number, because 556206853 - 2¹ = 556206851 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556206851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081858 + ... + 1082371.

It is an arithmetic number, because the mean of its divisors is an integer number (139592835).

Almost surely, 2^556206853 is an apocalyptic number.

It is an amenable number.

556206853 is a deficient number, since it is larger than the sum of its proper divisors (2164487).

556206853 is a wasteful number, since it uses less digits than its factorization.

556206853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164486.

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 556206853 is about 23584.0380978322. The cubic root of 556206853 is about 822.3918135129.

The spelling of 556206853 in words is "five hundred fifty-six million, two hundred six thousand, eight hundred fifty-three".