556323541 has 4 divisors (see below), whose sum is σ = 556636300. Its totient is φ = 556010784.

The previous prime is 556323529. The next prime is 556323571. The reversal of 556323541 is 145323655.

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 445632100 + 110691441 = 21110^2 + 10521^2 .

It is a cyclic number.

It is not a de Polignac number, because 556323541 - 2⁷ = 556323413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 556323497 and 556323506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556323571) 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, 153696 + ... + 157273.

It is an arithmetic number, because the mean of its divisors is an integer number (139159075).

Almost surely, 2^556323541 is an apocalyptic number.

It is an amenable number.

556323541 is a deficient number, since it is larger than the sum of its proper divisors (312759).

556323541 is a wasteful number, since it uses less digits than its factorization.

556323541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312758.

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

The square root of 556323541 is about 23586.5118446963. The cubic root of 556323541 is about 822.4493200235.

The spelling of 556323541 in words is "five hundred fifty-six million, three hundred twenty-three thousand, five hundred forty-one".