545799773 has 4 divisors (see below), whose sum is σ = 577905660. Its totient is φ = 513693888.

The previous prime is 545799721. The next prime is 545799799. The reversal of 545799773 is 377997545.

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

It can be written as a sum of positive squares in 2 ways, for example, as 270339364 + 275460409 = 16442^2 + 16597^2 .

It is a cyclic number.

It is not a de Polignac number, because 545799773 - 2¹⁰ = 545798749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545796773) 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 in 3 ways as a sum of consecutive naturals, for example, 16052918 + ... + 16052951.

It is an arithmetic number, because the mean of its divisors is an integer number (144476415).

Almost surely, 2^545799773 is an apocalyptic number.

It is an amenable number.

545799773 is a deficient number, since it is larger than the sum of its proper divisors (32105887).

545799773 is a wasteful number, since it uses less digits than its factorization.

545799773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32105886.

The product of its digits is 8334900, while the sum is 56.

The square root of 545799773 is about 23362.3580359518. The cubic root of 545799773 is about 817.2302809549.

The spelling of 545799773 in words is "five hundred forty-five million, seven hundred ninety-nine thousand, seven hundred seventy-three".