545287679 has 4 divisors (see below), whose sum is σ = 545579760. Its totient is φ = 544995600.

The previous prime is 545287643. The next prime is 545287681. The reversal of 545287679 is 976782545.

545287679 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 a cyclic number.

It is not a de Polignac number, because 545287679 - 2¹⁶ = 545222143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545287679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545227679) 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, 143222 + ... + 146979.

It is an arithmetic number, because the mean of its divisors is an integer number (136394940).

Almost surely, 2^545287679 is an apocalyptic number.

545287679 is a deficient number, since it is larger than the sum of its proper divisors (292081).

545287679 is a wasteful number, since it uses less digits than its factorization.

545287679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292080.

The product of its digits is 4233600, while the sum is 53.

The square root of 545287679 is about 23351.3956542216. The cubic root of 545287679 is about 816.9746135244.

The spelling of 545287679 in words is "five hundred forty-five million, two hundred eighty-seven thousand, six hundred seventy-nine".