545688594 has 48 divisors (see below), whose sum is σ = 1291365504. Its totient is φ = 165160800.

The previous prime is 545688529. The next prime is 545688601. The reversal of 545688594 is 495886545.

545688594 is a `hidden beast` number, since 5 + 45 + 6 + 8 + 8 + 594 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 545688594.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312564 + ... + 314304.

It is an arithmetic number, because the mean of its divisors is an integer number (26903448).

Almost surely, 2^545688594 is an apocalyptic number.

545688594 is an abundant number, since it is smaller than the sum of its proper divisors (745676910).

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

545688594 is a wasteful number, since it uses less digits than its factorization.

545688594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343 (or 3340 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 54.

The square root of 545688594 is about 23359.9784674558. The cubic root of 545688594 is about 817.1747874572.

The spelling of 545688594 in words is "five hundred forty-five million, six hundred eighty-eight thousand, five hundred ninety-four".