545594424495557 has 2 divisors, whose sum is σ = 545594424495558. Its totient is φ = 545594424495556.

The previous prime is 545594424495541. The next prime is 545594424495563. The reversal of 545594424495557 is 755594424495545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 532796912771236 + 12797511724321 = 23082394^2 + 3577361^2 .

It is a cyclic number.

It is not a de Polignac number, because 545594424495557 - 2⁴ = 545594424495541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545594424495157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272797212247778 + 272797212247779.

It is an arithmetic number, because the mean of its divisors is an integer number (272797212247779).

Almost surely, 2^{545594424495557} is an apocalyptic number.

It is an amenable number.

545594424495557 is a deficient number, since it is larger than the sum of its proper divisors (1).

545594424495557 is an equidigital number, since it uses as much as digits as its factorization.

545594424495557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144000000, while the sum is 77.

The spelling of 545594424495557 in words is "five hundred forty-five trillion, five hundred ninety-four billion, four hundred twenty-four million, four hundred ninety-five thousand, five hundred fifty-seven".