545652 has 36 divisors (see below), whose sum is σ = 1441440. Its totient is φ = 173712.

The previous prime is 545651. The next prime is 545663. The reversal of 545652 is 256545.

545652 is a `hidden beast` number, since 5 + 4 + 5 + 652 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×545652² = 595472210208, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499 + ... + 1157.

It is an arithmetic number, because the mean of its divisors is an integer number (40040).

2⁵⁴⁵⁶⁵² 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 545652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720720).

545652 is an abundant number, since it is smaller than the sum of its proper divisors (895788).

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

545652 is a wasteful number, since it uses less digits than its factorization.

545652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 687 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 545652 is about 738.6826111396. The cubic root of 545652 is about 81.7156520407.

The spelling of 545652 in words is "five hundred forty-five thousand, six hundred fifty-two".