556316445 has 16 divisors (see below), whose sum is σ = 892501632. Its totient is φ = 295903680.

The previous prime is 556316441. The next prime is 556316459. The reversal of 556316445 is 544613655.

It is not a de Polignac number, because 556316445 - 2² = 556316441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556316441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44121 + ... + 55310.

It is an arithmetic number, because the mean of its divisors is an integer number (55781352).

Almost surely, 2^556316445 is an apocalyptic number.

It is an amenable number.

556316445 is a deficient number, since it is larger than the sum of its proper divisors (336185187).

556316445 is a wasteful number, since it uses less digits than its factorization.

556316445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99812.

The product of its digits is 216000, while the sum is 39.

The square root of 556316445 is about 23586.3614192609. The cubic root of 556316445 is about 822.4458231823.

The spelling of 556316445 in words is "five hundred fifty-six million, three hundred sixteen thousand, four hundred forty-five".