556473 has 4 divisors (see below), whose sum is σ = 741968. Its totient is φ = 370980.

The previous prime is 556459. The next prime is 556477. The reversal of 556473 is 374655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 556473 - 2⁵ = 556441 is a prime.

It is a D-number.

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 556473.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92743 + ... + 92748.

It is an arithmetic number, because the mean of its divisors is an integer number (185492).

2⁵⁵⁶⁴⁷³ is an apocalyptic number.

It is an amenable number.

556473 is a deficient number, since it is larger than the sum of its proper divisors (185495).

556473 is a wasteful number, since it uses less digits than its factorization.

556473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185494.

The product of its digits is 12600, while the sum is 30.

The square root of 556473 is about 745.9711790679. The cubic root of 556473 is about 82.2522965086.

The spelling of 556473 in words is "five hundred fifty-six thousand, four hundred seventy-three".