556449227 has 4 divisors (see below), whose sum is σ = 556501560. Its totient is φ = 556396896.

The previous prime is 556449221. The next prime is 556449241. The reversal of 556449227 is 722944655.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 722944655 = 5 ⋅144588931.

It is a cyclic number.

It is not a de Polignac number, because 556449227 - 2¹⁸ = 556187083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556449221) 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, 3902 + ... + 33587.

It is an arithmetic number, because the mean of its divisors is an integer number (139125390).

Almost surely, 2^556449227 is an apocalyptic number.

556449227 is a deficient number, since it is larger than the sum of its proper divisors (52333).

556449227 is a wasteful number, since it uses less digits than its factorization.

556449227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52332.

The product of its digits is 604800, while the sum is 44.

The square root of 556449227 is about 23589.1760559796. The cubic root of 556449227 is about 822.5112519594.

The spelling of 556449227 in words is "five hundred fifty-six million, four hundred forty-nine thousand, two hundred twenty-seven".