557285445 has 12 divisors (see below), whose sum is σ = 965961516. Its totient is φ = 297218880.

The previous prime is 557285437. The next prime is 557285459. The reversal of 557285445 is 544582755.

557285445 is a `hidden beast` number, since 557 + 2 + 8 + 54 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 223382916 + 333902529 = 14946^2 + 18273^2 .

It is not a de Polignac number, because 557285445 - 2³ = 557285437 is a prime.

It is a super-3 number, since 3×557285445³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 12384121 = 557285445 / (5 + 5 + 7 + 2 + 8 + 5 + 4 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 557285445.

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 11 ways as a sum of consecutive naturals, for example, 6192016 + ... + 6192105.

It is an arithmetic number, because the mean of its divisors is an integer number (80496793).

Almost surely, 2^557285445 is an apocalyptic number.

It is an amenable number.

557285445 is a deficient number, since it is larger than the sum of its proper divisors (408676071).

557285445 is a wasteful number, since it uses less digits than its factorization.

557285445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12384132 (or 12384129 counting only the distinct ones).

The product of its digits is 1120000, while the sum is 45.

The square root of 557285445 is about 23606.8940142493. The cubic root of 557285445 is about 822.9230621974.

The spelling of 557285445 in words is "five hundred fifty-seven million, two hundred eighty-five thousand, four hundred forty-five".