545564672 has 48 divisors (see below), whose sum is σ = 1095101280. Its totient is φ = 271724544.

The previous prime is 545564671. The next prime is 545564687. The reversal of 545564672 is 276465545.

It is a super-2 number, since 2×545564672² = 595281622668935168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545564671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997103 + ... + 997649.

It is an arithmetic number, because the mean of its divisors is an integer number (22814610).

Almost surely, 2^545564672 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 545564672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547550640).

545564672 is an abundant number, since it is smaller than the sum of its proper divisors (549536608).

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

545564672 is an equidigital number, since it uses as much as digits as its factorization.

545564672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1036 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 44.

The square root of 545564672 is about 23357.3258743376. The cubic root of 545564672 is about 817.1129245793.

The spelling of 545564672 in words is "five hundred forty-five million, five hundred sixty-four thousand, six hundred seventy-two".