545564043 has 24 divisors (see below), whose sum is σ = 831916800. Its totient is φ = 343568304.

The previous prime is 545564039. The next prime is 545564059. The reversal of 545564043 is 340465545.

545564043 is a `hidden beast` number, since 5 + 4 + 5 + 5 + 640 + 4 + 3 = 666.

It is not a de Polignac number, because 545564043 - 2² = 545564039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545563989 and 545564007.

It is not an unprimeable number, because it can be changed into a prime (545564083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56946 + ... + 65832.

It is an arithmetic number, because the mean of its divisors is an integer number (34663200).

Almost surely, 2^545564043 is an apocalyptic number.

545564043 is a deficient number, since it is larger than the sum of its proper divisors (286352757).

545564043 is a wasteful number, since it uses less digits than its factorization.

545564043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9271 (or 9268 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The square root of 545564043 is about 23357.3124096074. The cubic root of 545564043 is about 817.1126105534.

The spelling of 545564043 in words is "five hundred forty-five million, five hundred sixty-four thousand, forty-three".