545552 has 20 divisors (see below), whose sum is σ = 1208256. Its totient is φ = 233760.

The previous prime is 545551. The next prime is 545579. The reversal of 545552 is 255545.

It is a nialpdrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 545552.

It is not an unprimeable number, because it can be changed into a prime (545551) 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, 2324 + ... + 2547.

2⁵⁴⁵⁵⁵² is an apocalyptic number.

It is an amenable number.

545552 is an abundant number, since it is smaller than the sum of its proper divisors (662704).

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

545552 is a wasteful number, since it uses less digits than its factorization.

545552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4886 (or 4880 counting only the distinct ones).

The product of its digits is 5000, while the sum is 26.

The square root of 545552 is about 738.6149199685. The cubic root of 545552 is about 81.7106598085.

The spelling of 545552 in words is "five hundred forty-five thousand, five hundred fifty-two".