545328900 has 54 divisors (see below), whose sum is σ = 1709305962. Its totient is φ = 145420800.

The previous prime is 545328877. The next prime is 545328913. The reversal of 545328900 is 9823545.

545328900 is a `hidden beast` number, since 545 + 3 + 28 + 90 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 12996 + 545315904 = 114^2 + 23352^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 302061 + ... + 303860.

Almost surely, 2^545328900 is an apocalyptic number.

545328900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

545328900 is an abundant number, since it is smaller than the sum of its proper divisors (1163977062).

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

545328900 is a wasteful number, since it uses less digits than its factorization.

545328900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605941 (or 605931 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 545328900 is about 23352.2782614459. The cubic root of 545328900 is about 816.9951993933.

The spelling of 545328900 in words is "five hundred forty-five million, three hundred twenty-eight thousand, nine hundred".