556272245 has 16 divisors (see below), whose sum is σ = 686443248. Its totient is φ = 432437760.

The previous prime is 556272239. The next prime is 556272263. The reversal of 556272245 is 542272655.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1999396 + 554272849 = 1414^2 + 23543^2 .

It is not a de Polignac number, because 556272245 - 2¹⁶ = 556206709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 556272199 and 556272208.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 201575 + ... + 204315.

It is an arithmetic number, because the mean of its divisors is an integer number (42902703).

Almost surely, 2^556272245 is an apocalyptic number.

It is an amenable number.

556272245 is a deficient number, since it is larger than the sum of its proper divisors (130171003).

556272245 is a wasteful number, since it uses less digits than its factorization.

556272245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880.

The product of its digits is 168000, while the sum is 38.

The square root of 556272245 is about 23585.4244184835. The cubic root of 556272245 is about 822.4240411741.

The spelling of 556272245 in words is "five hundred fifty-six million, two hundred seventy-two thousand, two hundred forty-five".