556344451 has 6 divisors (see below), whose sum is σ = 602432340. Its totient is φ = 513548568.

The previous prime is 556344413. The next prime is 556344473. The reversal of 556344451 is 154443655.

It is not a de Polignac number, because 556344451 - 2¹⁷ = 556213379 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 556344451.

It is not an unprimeable number, because it can be changed into a prime (556344851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1645821 + ... + 1646158.

It is an arithmetic number, because the mean of its divisors is an integer number (100405390).

Almost surely, 2^556344451 is an apocalyptic number.

556344451 is a deficient number, since it is larger than the sum of its proper divisors (46087889).

556344451 is a wasteful number, since it uses less digits than its factorization.

556344451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292005 (or 3291992 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 556344451 is about 23586.9551023442. The cubic root of 556344451 is about 822.4596240993.

The spelling of 556344451 in words is "five hundred fifty-six million, three hundred forty-four thousand, four hundred fifty-one".