545605688 has 16 divisors (see below), whose sum is σ = 1025803680. Its totient is φ = 272058048.

The previous prime is 545605639. The next prime is 545605693. The reversal of 545605688 is 886506545.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89981 + ... + 95852.

It is an arithmetic number, because the mean of its divisors is an integer number (64112730).

Almost surely, 2^545605688 is an apocalyptic number.

It is an amenable number.

545605688 is a deficient number, since it is larger than the sum of its proper divisors (480197992).

545605688 is a wasteful number, since it uses less digits than its factorization.

545605688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186206 (or 186202 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 47.

The square root of 545605688 is about 23358.2038693047. The cubic root of 545605688 is about 817.1334011397.

The spelling of 545605688 in words is "five hundred forty-five million, six hundred five thousand, six hundred eighty-eight".