55005866494441 has 6 divisors (see below), whose sum is σ = 55325657388590. Its totient is φ = 54687913479168.

The previous prime is 55005866494427. The next prime is 55005866494457. The reversal of 55005866494441 is 14449466850055.

It can be written as a sum of positive squares in 3 ways, for example, as 37624680138816 + 17381186355625 = 6133896^2 + 4169075^2 .

It is not a de Polignac number, because 55005866494441 - 2⁴¹ = 52806843238889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55005866494441.

It is not an unprimeable number, because it can be changed into a prime (55005866494471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 918909336 + ... + 918969193.

Almost surely, 2^{55005866494441} is an apocalyptic number.

It is an amenable number.

55005866494441 is a deficient number, since it is larger than the sum of its proper divisors (319790894149).

55005866494441 is an equidigital number, since it uses as much as digits as its factorization.

55005866494441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837878875 (or 1837878702 counting only the distinct ones).

The product of its (nonzero) digits is 82944000, while the sum is 61.

The spelling of 55005866494441 in words is "fifty-five trillion, five billion, eight hundred sixty-six million, four hundred ninety-four thousand, four hundred forty-one".