545611716 has 36 divisors (see below), whose sum is σ = 1485277612. Its totient is φ = 167880384.

The previous prime is 545611691. The next prime is 545611721. The reversal of 545611716 is 617116545.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 190440000 + 355171716 = 13800^2 + 18846^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 582451 + ... + 583386.

Almost surely, 2^545611716 is an apocalyptic number.

It is an amenable number.

545611716 is an abundant number, since it is smaller than the sum of its proper divisors (939665896).

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

545611716 is a wasteful number, since it uses less digits than its factorization.

545611716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165860 (or 1165855 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 545611716 is about 23358.3329028422. The cubic root of 545611716 is about 817.1364104326.

The spelling of 545611716 in words is "five hundred forty-five million, six hundred eleven thousand, seven hundred sixteen".