556604305 has 4 divisors (see below), whose sum is σ = 667925172. Its totient is φ = 445283440.

The previous prime is 556604303. The next prime is 556604317. The reversal of 556604305 is 503406655.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 231739729 + 324864576 = 15223^2 + 18024^2 .

It is not a de Polignac number, because 556604305 - 2¹ = 556604303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556604303) 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 3 ways as a sum of consecutive naturals, for example, 55660426 + ... + 55660435.

It is an arithmetic number, because the mean of its divisors is an integer number (166981293).

Almost surely, 2^556604305 is an apocalyptic number.

It is an amenable number.

556604305 is a deficient number, since it is larger than the sum of its proper divisors (111320867).

556604305 is a wasteful number, since it uses less digits than its factorization.

556604305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111320866.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 556604305 is about 23592.4628854217. The cubic root of 556604305 is about 822.5876539899.

The spelling of 556604305 in words is "five hundred fifty-six million, six hundred four thousand, three hundred five".