545454564 has 12 divisors (see below), whose sum is σ = 1272727344. Its totient is φ = 181818184.

The previous prime is 545454563. The next prime is 545454593. The reversal of 545454564 is 465454545.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (545454563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22727262 + ... + 22727285.

It is an arithmetic number, because the mean of its divisors is an integer number (106060612).

Almost surely, 2^545454564 is an apocalyptic number.

It is an amenable number.

545454564 is an abundant number, since it is smaller than the sum of its proper divisors (727272780).

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

545454564 is a wasteful number, since it uses less digits than its factorization.

545454564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45454554 (or 45454552 counting only the distinct ones).

The product of its digits is 960000, while the sum is 42.

The square root of 545454564 is about 23354.9687218801. The cubic root of 545454564 is about 817.0579499032.

The spelling of 545454564 in words is "five hundred forty-five million, four hundred fifty-four thousand, five hundred sixty-four".