556464 has 20 divisors (see below), whose sum is σ = 1437656. Its totient is φ = 185472.

The previous prime is 556459. The next prime is 556477. The reversal of 556464 is 464655.

556464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5749 + ... + 5844.

2⁵⁵⁶⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

556464 is an abundant number, since it is smaller than the sum of its proper divisors (881192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556464 is a wasteful number, since it uses less digits than its factorization.

556464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11604 (or 11598 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 556464 is about 745.9651466389. The cubic root of 556464 is about 82.2518530761.

Subtracting from 556464 its reverse (464655), we obtain a square (91809 = 303²).

The spelling of 556464 in words is "five hundred fifty-six thousand, four hundred sixty-four".