556678505 has 16 divisors (see below), whose sum is σ = 688181520. Its totient is φ = 431972352.

The previous prime is 556678471. The next prime is 556678517. The reversal of 556678505 is 505876655.

556678505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 36336784 + 520341721 = 6028^2 + 22811^2 .

It is a cyclic number.

It is not a de Polignac number, because 556678505 - 2¹⁰ = 556677481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556678505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57881 + ... + 66809.

It is an arithmetic number, because the mean of its divisors is an integer number (43011345).

Almost surely, 2^556678505 is an apocalyptic number.

It is an amenable number.

556678505 is a deficient number, since it is larger than the sum of its proper divisors (131503015).

556678505 is a wasteful number, since it uses less digits than its factorization.

556678505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9308.

The product of its (nonzero) digits is 1260000, while the sum is 47.

The square root of 556678505 is about 23594.0353691351. The cubic root of 556678505 is about 822.6242049660.

The spelling of 556678505 in words is "five hundred fifty-six million, six hundred seventy-eight thousand, five hundred five".