556496385 has 16 divisors (see below), whose sum is σ = 929107584. Its totient is φ = 283893632.

The previous prime is 556496371. The next prime is 556496387. The reversal of 556496385 is 583694655.

It is a cyclic number.

It is not a de Polignac number, because 556496385 - 2¹⁰ = 556495361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556496387) 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, 806172 + ... + 806861.

It is an arithmetic number, because the mean of its divisors is an integer number (58069224).

Almost surely, 2^556496385 is an apocalyptic number.

It is an amenable number.

556496385 is a deficient number, since it is larger than the sum of its proper divisors (372611199).

556496385 is a wasteful number, since it uses less digits than its factorization.

556496385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613064.

The product of its digits is 3888000, while the sum is 51.

The square root of 556496385 is about 23590.1756034159. The cubic root of 556496385 is about 822.5344867177.

The spelling of 556496385 in words is "five hundred fifty-six million, four hundred ninety-six thousand, three hundred eighty-five".