556063 has 4 divisors (see below), whose sum is σ = 557728. Its totient is φ = 554400.

The previous prime is 556051. The next prime is 556067. The reversal of 556063 is 360655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 556063 - 2¹³ = 547871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556067) 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 3 ways as a sum of consecutive naturals, for example, 138 + ... + 1063.

It is an arithmetic number, because the mean of its divisors is an integer number (139432).

2⁵⁵⁶⁰⁶³ is an apocalyptic number.

556063 is a deficient number, since it is larger than the sum of its proper divisors (1665).

556063 is a wasteful number, since it uses less digits than its factorization.

556063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 556063 is about 745.6963188859. The cubic root of 556063 is about 82.2320908399.

The spelling of 556063 in words is "five hundred fifty-six thousand, sixty-three".