6544554456 has 64 divisors (see below), whose sum is σ = 18012614400. Its totient is φ = 1964995200.

The previous prime is 6544554451. The next prime is 6544554473.

It is a happy number.

6544554456 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6544554451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84940 + ... + 142491.

It is an arithmetic number, because the mean of its divisors is an integer number (281447100).

Almost surely, 2^6544554456 is an apocalyptic number.

6544554456 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6544554456 is an abundant number, since it is smaller than the sum of its proper divisors (11468059944).

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

6544554456 is a wasteful number, since it uses less digits than its factorization.

6544554456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227560 (or 227556 counting only the distinct ones).

The product of its digits is 5760000, while the sum is 48.

The square root of 6544554456 is about 80898.4206026298. The cubic root of 6544554456 is about 1870.5099752017.

The spelling of 6544554456 in words is "six billion, five hundred forty-four million, five hundred fifty-four thousand, four hundred fifty-six".