54447405577 has 2 divisors, whose sum is σ = 54447405578. Its totient is φ = 54447405576.

The previous prime is 54447405563. The next prime is 54447405581. The reversal of 54447405577 is 77550474445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54417692176 + 29713401 = 233276^2 + 5451^2 .

It is a cyclic number.

It is not a de Polignac number, because 54447405577 - 2¹¹ = 54447403529 is a prime.

It is not a weakly prime, because it can be changed into another prime (54447405277) 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 as a sum of consecutive naturals, namely, 27223702788 + 27223702789.

It is an arithmetic number, because the mean of its divisors is an integer number (27223702789).

Almost surely, 2^54447405577 is an apocalyptic number.

It is an amenable number.

54447405577 is a deficient number, since it is larger than the sum of its proper divisors (1).

54447405577 is an equidigital number, since it uses as much as digits as its factorization.

54447405577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10976000, while the sum is 52.

The spelling of 54447405577 in words is "fifty-four billion, four hundred forty-seven million, four hundred five thousand, five hundred seventy-seven".