65055583044 has 18 divisors (see below), whose sum is σ = 164446057230. Its totient is φ = 21685194336.

The previous prime is 65055583013. The next prime is 65055583067. The reversal of 65055583044 is 44038555056.

65055583044 is a `hidden beast` number, since 6 + 50 + 5 + 558 + 3 + 0 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 63271365444 + 1784217600 = 251538^2 + 42240^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 903549729 + ... + 903549800.

Almost surely, 2^65055583044 is an apocalyptic number.

It is an amenable number.

65055583044 is an abundant number, since it is smaller than the sum of its proper divisors (99390474186).

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

65055583044 is a wasteful number, since it uses less digits than its factorization.

65055583044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807099539 (or 1807099534 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 65055583044 in words is "sixty-five billion, fifty-five million, five hundred eighty-three thousand, forty-four".