6544456 has 16 divisors (see below), whose sum is σ = 12992940. Its totient is φ = 3079680.

The previous prime is 6544453. The next prime is 6544481.

6544456 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 6100900 + 443556 = 2470^2 + 666^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (6544451) 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, 23925 + ... + 24196.

Almost surely, 2^6544456 is an apocalyptic number.

It is an amenable number.

6544456 is a deficient number, since it is larger than the sum of its proper divisors (6448484).

6544456 is a wasteful number, since it uses less digits than its factorization.

6544456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48144 (or 48140 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 6544456 is about 2558.2134391016. The cubic root of 6544456 is about 187.0500595197.

It can be divided in two parts, 65 and 44456, that added together give a square (44521 = 211²).

The spelling of 6544456 in words is "six million, five hundred forty-four thousand, four hundred fifty-six".