556463 has 4 divisors (see below), whose sum is σ = 569448. Its totient is φ = 543480.

The previous prime is 556459. The next prime is 556477. The reversal of 556463 is 364655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364655 = 5 ⋅72931.

It is a cyclic number.

It is not a de Polignac number, because 556463 - 2² = 556459 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 (556403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6428 + ... + 6513.

It is an arithmetic number, because the mean of its divisors is an integer number (142362).

2⁵⁵⁶⁴⁶³ is an apocalyptic number.

556463 is a deficient number, since it is larger than the sum of its proper divisors (12985).

556463 is a wasteful number, since it uses less digits than its factorization.

556463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12984.

The product of its digits is 10800, while the sum is 29.

The square root of 556463 is about 745.9644763660. The cubic root of 556463 is about 82.2518038056.

The spelling of 556463 in words is "five hundred fifty-six thousand, four hundred sixty-three".