556443445 has 12 divisors (see below), whose sum is σ = 691556580. Its totient is φ = 429801344.

The previous prime is 556443427. The next prime is 556443463. The reversal of 556443445 is 544344655.

It is an interprime number because it is at equal distance from previous prime (556443427) and next prime (556443463).

It can be written as a sum of positive squares in 6 ways, for example, as 12341169 + 544102276 = 3513^2 + 23326^2 .

It is not a de Polignac number, because 556443445 - 2⁷ = 556443317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556443398 and 556443407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61960 + ... + 70369.

It is an arithmetic number, because the mean of its divisors is an integer number (57629715).

Almost surely, 2^556443445 is an apocalyptic number.

It is an amenable number.

556443445 is a deficient number, since it is larger than the sum of its proper divisors (135113135).

556443445 is a wasteful number, since it uses less digits than its factorization.

556443445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132392 (or 132363 counting only the distinct ones).

The product of its digits is 576000, while the sum is 40.

The square root of 556443445 is about 23589.0534994518. The cubic root of 556443445 is about 822.5084030762.

The spelling of 556443445 in words is "five hundred fifty-six million, four hundred forty-three thousand, four hundred forty-five".