545945832 has 80 divisors (see below), whose sum is σ = 1566526500. Its totient is φ = 177534720.

The previous prime is 545945819. The next prime is 545945887. The reversal of 545945832 is 238549545.

545945832 is a `hidden beast` number, since 5 + 4 + 594 + 58 + 3 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 545035716 + 910116 = 23346^2 + 954^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16294 + ... + 36842.

Almost surely, 2^545945832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545945832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783263250).

545945832 is an abundant number, since it is smaller than the sum of its proper divisors (1020580668).

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

545945832 is a wasteful number, since it uses less digits than its factorization.

545945832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20608 (or 20595 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 545945832 is about 23365.4837741486. The cubic root of 545945832 is about 817.3031728820.

The spelling of 545945832 in words is "five hundred forty-five million, nine hundred forty-five thousand, eight hundred thirty-two".