556315 has 4 divisors (see below), whose sum is σ = 667584. Its totient is φ = 445048.

The previous prime is 556313. The next prime is 556321. The reversal of 556315 is 513655.

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 556315 - 2¹ = 556313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 556315.

It is not an unprimeable number, because it can be changed into a prime (556313) 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, 55627 + ... + 55636.

It is an arithmetic number, because the mean of its divisors is an integer number (166896).

2⁵⁵⁶³¹⁵ is an apocalyptic number.

556315 is a deficient number, since it is larger than the sum of its proper divisors (111269).

556315 is a wasteful number, since it uses less digits than its factorization.

556315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111268.

The product of its digits is 2250, while the sum is 25.

The square root of 556315 is about 745.8652693349. The cubic root of 556315 is about 82.2445111096.

The spelling of 556315 in words is "five hundred fifty-six thousand, three hundred fifteen".