545784929487546 has 32 divisors (see below), whose sum is σ = 1247547226958208. Its totient is φ = 155933699194560.

The previous prime is 545784929487493. The next prime is 545784929487613. The reversal of 545784929487546 is 645784929487545.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200804325 + ... + 203504168.

It is an arithmetic number, because the mean of its divisors is an integer number (38985850842444).

Almost surely, 2^{545784929487546} is an apocalyptic number.

545784929487546 is an abundant number, since it is smaller than the sum of its proper divisors (701762297470662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545784929487546 is a wasteful number, since it uses less digits than its factorization.

545784929487546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404340646.

The product of its digits is 97542144000, while the sum is 87.

Subtracting 545784929487546 from its reverse (645784929487545), we obtain a palindrome (99999999999999).

The spelling of 545784929487546 in words is "five hundred forty-five trillion, seven hundred eighty-four billion, nine hundred twenty-nine million, four hundred eighty-seven thousand, five hundred forty-six".