545964554 has 16 divisors (see below), whose sum is σ = 883483848. Its totient is φ = 252076032.

The previous prime is 545964553. The next prime is 545964557. The reversal of 545964554 is 455469545.

It can be written as a sum of positive squares in 4 ways, for example, as 451350025 + 94614529 = 21245^2 + 9727^2 .

It is a junction number, because it is equal to n+sod(n) for n = 545964499 and 545964508.

It is not an unprimeable number, because it can be changed into a prime (545964553) 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, 149687 + ... + 153290.

Almost surely, 2^545964554 is an apocalyptic number.

545964554 is a deficient number, since it is larger than the sum of its proper divisors (337519294).

545964554 is a wasteful number, since it uses less digits than its factorization.

545964554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303049.

The product of its digits is 2160000, while the sum is 47.

The square root of 545964554 is about 23365.8844044046. The cubic root of 545964554 is about 817.3125153076.

The spelling of 545964554 in words is "five hundred forty-five million, nine hundred sixty-four thousand, five hundred fifty-four".