545466564 has 72 divisors (see below), whose sum is σ = 1423487520. Its totient is φ = 176026752.

The previous prime is 545466563. The next prime is 545466569. The reversal of 545466564 is 465664545.

545466564 is a `hidden beast` number, since 5 + 45 + 46 + 6 + 564 = 666.

It is not an unprimeable number, because it can be changed into a prime (545466563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140392 + ... + 144224.

It is an arithmetic number, because the mean of its divisors is an integer number (19770660).

Almost surely, 2^545466564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545466564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711743760).

545466564 is an abundant number, since it is smaller than the sum of its proper divisors (878020956).

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

545466564 is a wasteful number, since it uses less digits than its factorization.

545466564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969 (or 3964 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The square root of 545466564 is about 23355.2256251144. The cubic root of 545466564 is about 817.0639416174.

The spelling of 545466564 in words is "five hundred forty-five million, four hundred sixty-six thousand, five hundred sixty-four".