6561044054 has 16 divisors (see below), whose sum is σ = 10053547200. Its totient is φ = 3209897664.

The previous prime is 6561044047. The next prime is 6561044093. The reversal of 6561044054 is 4504401656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528632 + ... + 540900.

It is an arithmetic number, because the mean of its divisors is an integer number (628346700).

Almost surely, 2^6561044054 is an apocalyptic number.

6561044054 is a deficient number, since it is larger than the sum of its proper divisors (3492503146).

6561044054 is a wasteful number, since it uses less digits than its factorization.

6561044054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18007.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 6561044054 is about 81000.2719378151. The cubic root of 6561044054 is about 1872.0796307699.

The spelling of 6561044054 in words is "six billion, five hundred sixty-one million, forty-four thousand, fifty-four".