545553959 has 2 divisors, whose sum is σ = 545553960. Its totient is φ = 545553958.

The previous prime is 545553949. The next prime is 545553961. The reversal of 545553959 is 959355545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545553959 - 2⁸ = 545553703 is a prime.

Together with 545553961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545553929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272776979 + 272776980.

It is an arithmetic number, because the mean of its divisors is an integer number (272776980).

Almost surely, 2^545553959 is an apocalyptic number.

545553959 is a deficient number, since it is larger than the sum of its proper divisors (1).

545553959 is an equidigital number, since it uses as much as digits as its factorization.

545553959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3037500, while the sum is 50.

The square root of 545553959 is about 23357.0965447335. The cubic root of 545553959 is about 817.1075761220.

The spelling of 545553959 in words is "five hundred forty-five million, five hundred fifty-three thousand, nine hundred fifty-nine".