545785055679 has 4 divisors (see below), whose sum is σ = 727713407576. Its totient is φ = 363856703784.

The previous prime is 545785055639. The next prime is 545785055719. The reversal of 545785055679 is 976550587545.

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

It is an interprime number because it is at equal distance from previous prime (545785055639) and next prime (545785055719).

It is not a de Polignac number, because 545785055679 - 2¹¹ = 545785053631 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 (545785055609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90964175944 + ... + 90964175949.

It is an arithmetic number, because the mean of its divisors is an integer number (181928351894).

Almost surely, 2^545785055679 is an apocalyptic number.

545785055679 is a deficient number, since it is larger than the sum of its proper divisors (181928351897).

545785055679 is a wasteful number, since it uses less digits than its factorization.

545785055679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181928351896.

The product of its (nonzero) digits is 264600000, while the sum is 66.

The spelling of 545785055679 in words is "five hundred forty-five billion, seven hundred eighty-five million, fifty-five thousand, six hundred seventy-nine".