545440533559 has 2 divisors, whose sum is σ = 545440533560. Its totient is φ = 545440533558.

The previous prime is 545440533541. The next prime is 545440533587. The reversal of 545440533559 is 955335044545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545440533559 - 2⁷ = 545440533431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545440533359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272720266779 + 272720266780.

It is an arithmetic number, because the mean of its divisors is an integer number (272720266780).

Almost surely, 2^545440533559 is an apocalyptic number.

545440533559 is a deficient number, since it is larger than the sum of its proper divisors (1).

545440533559 is an equidigital number, since it uses as much as digits as its factorization.

545440533559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200000, while the sum is 52.

The spelling of 545440533559 in words is "five hundred forty-five billion, four hundred forty million, five hundred thirty-three thousand, five hundred fifty-nine".