556263 has 12 divisors (see below), whose sum is σ = 846040. Its totient is φ = 351216.

The previous prime is 556261. The next prime is 556267. The reversal of 556263 is 362655.

It is not a de Polignac number, because 556263 - 2¹ = 556261 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 (556261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1456 + ... + 1797.

2⁵⁵⁶²⁶³ is an apocalyptic number.

556263 is a deficient number, since it is larger than the sum of its proper divisors (289777).

556263 is a wasteful number, since it uses less digits than its factorization.

556263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278 (or 3275 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 556263 is about 745.8304096777. The cubic root of 556263 is about 82.2419485040.

It can be divided in two parts, 5562 and 63, that added together give a square (5625 = 75²).

The spelling of 556263 in words is "five hundred fifty-six thousand, two hundred sixty-three".