545945979 has 4 divisors (see below), whose sum is σ = 727927976. Its totient is φ = 363963984.

The previous prime is 545945947. The next prime is 545946059. The reversal of 545945979 is 979549545.

545945979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 545945979 - 2⁵ = 545945947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545945479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90990994 + ... + 90990999.

It is an arithmetic number, because the mean of its divisors is an integer number (181981994).

Almost surely, 2^545945979 is an apocalyptic number.

545945979 is a deficient number, since it is larger than the sum of its proper divisors (181981997).

545945979 is a wasteful number, since it uses less digits than its factorization.

545945979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181981996.

The product of its digits is 10206000, while the sum is 57.

The square root of 545945979 is about 23365.4869198140. The cubic root of 545945979 is about 817.3032462370.

The spelling of 545945979 in words is "five hundred forty-five million, nine hundred forty-five thousand, nine hundred seventy-nine".