6544043055 has 40 divisors (see below), whose sum is σ = 12797248464. Its totient is φ = 3172867200.

The previous prime is 6544043039. The next prime is 6544043117. The reversal of 6544043055 is 5503404456.

It is not a de Polignac number, because 6544043055 - 2⁴ = 6544043039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 730006 + ... + 738915.

Almost surely, 2^6544043055 is an apocalyptic number.

6544043055 is a deficient number, since it is larger than the sum of its proper divisors (6253205409).

6544043055 is a wasteful number, since it uses less digits than its factorization.

6544043055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468949 (or 1468940 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The square root of 6544043055 is about 80895.2597807807. The cubic root of 6544043055 is about 1870.4612524763.

The spelling of 6544043055 in words is "six billion, five hundred forty-four million, forty-three thousand, fifty-five".