545939530 has 16 divisors (see below), whose sum is σ = 1040496840. Its totient is φ = 205530112.

The previous prime is 545939507. The next prime is 545939531. The reversal of 545939530 is 35939545.

It can be written as a sum of positive squares in 4 ways, for example, as 522716769 + 23222761 = 22863^2 + 4819^2 .

It is not an unprimeable number, because it can be changed into a prime (545939531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1605535 + ... + 1605874.

Almost surely, 2^545939530 is an apocalyptic number.

545939530 is a deficient number, since it is larger than the sum of its proper divisors (494557310).

545939530 is a wasteful number, since it uses less digits than its factorization.

545939530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211433.

The product of its (nonzero) digits is 364500, while the sum is 43.

The square root of 545939530 is about 23365.3489167185. The cubic root of 545939530 is about 817.3000280862.

The spelling of 545939530 in words is "five hundred forty-five million, nine hundred thirty-nine thousand, five hundred thirty".