556497 has 8 divisors (see below), whose sum is σ = 824480. Its totient is φ = 370980.

The previous prime is 556487. The next prime is 556513. The reversal of 556497 is 794655.

556497 is a `hidden beast` number, since 5 + 5 + 649 + 7 = 666.

It is not a de Polignac number, because 556497 - 2¹² = 552401 is a prime.

It is a super-2 number, since 2×556497² = 619377822018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556477) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10279 + ... + 10332.

It is an arithmetic number, because the mean of its divisors is an integer number (103060).

2⁵⁵⁶⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

556497 is a deficient number, since it is larger than the sum of its proper divisors (267983).

556497 is a wasteful number, since it uses less digits than its factorization.

556497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20620 (or 20614 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 556497 is about 745.9872653069. The cubic root of 556497 is about 82.2534789720.

The spelling of 556497 in words is "five hundred fifty-six thousand, four hundred ninety-seven".