545524 has 12 divisors (see below), whose sum is σ = 1091104. Its totient is φ = 233784.

The previous prime is 545521. The next prime is 545527. The reversal of 545524 is 425545.

It is an interprime number because it is at equal distance from previous prime (545521) and next prime (545527).

545524 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545521) 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, 9714 + ... + 9769.

2⁵⁴⁵⁵²⁴ is an apocalyptic number.

It is an amenable number.

545524 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

545524 is a wasteful number, since it uses less digits than its factorization.

545524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19494 (or 19492 counting only the distinct ones).

The product of its digits is 4000, while the sum is 25.

The square root of 545524 is about 738.5959653288. The cubic root of 545524 is about 81.7092618742.

The spelling of 545524 in words is "five hundred forty-five thousand, five hundred twenty-four".