556476645 has 16 divisors (see below), whose sum is σ = 890688960. Its totient is φ = 296678784.

The previous prime is 556476637. The next prime is 556476647. The reversal of 556476645 is 546674655.

It is not a de Polignac number, because 556476645 - 2³ = 556476637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556476594 and 556476603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556476647) 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 15 ways as a sum of consecutive naturals, for example, 51777 + ... + 61593.

It is an arithmetic number, because the mean of its divisors is an integer number (55668060).

Almost surely, 2^556476645 is an apocalyptic number.

It is an amenable number.

556476645 is a deficient number, since it is larger than the sum of its proper divisors (334212315).

556476645 is a wasteful number, since it uses less digits than its factorization.

556476645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13604.

The product of its digits is 3024000, while the sum is 48.

The square root of 556476645 is about 23589.7572051940. The cubic root of 556476645 is about 822.5247609746.

The spelling of 556476645 in words is "five hundred fifty-six million, four hundred seventy-six thousand, six hundred forty-five".