545588 has 6 divisors (see below), whose sum is σ = 954786. Its totient is φ = 272792.

The previous prime is 545579. The next prime is 545599. The reversal of 545588 is 885545.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 362404 + 183184 = 602^2 + 428^2 .

It is a congruent number.

It is an unprimeable number.

545588 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68195 + ... + 68202.

It is an arithmetic number, because the mean of its divisors is an integer number (159131).

2⁵⁴⁵⁵⁸⁸ is an apocalyptic number.

It is an amenable number.

545588 is a deficient number, since it is larger than the sum of its proper divisors (409198).

545588 is a wasteful number, since it uses less digits than its factorization.

545588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136401 (or 136399 counting only the distinct ones).

The product of its digits is 32000, while the sum is 35.

The square root of 545588 is about 738.6392895047. The cubic root of 545588 is about 81.7124570824.

The spelling of 545588 in words is "five hundred forty-five thousand, five hundred eighty-eight".