545502 has 8 divisors (see below), whose sum is σ = 1091016. Its totient is φ = 181832.

The previous prime is 545497. The next prime is 545521. The reversal of 545502 is 205545.

545502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

545502 is an admirable number.

It is a congruent number.

It is an unprimeable number.

545502 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 in 3 ways as a sum of consecutive naturals, for example, 45453 + ... + 45464.

It is an arithmetic number, because the mean of its divisors is an integer number (136377).

2⁵⁴⁵⁵⁰² is an apocalyptic number.

545502 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.

545502 is a wasteful number, since it uses less digits than its factorization.

545502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90922.

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 545502 is about 738.5810720564. The cubic root of 545502 is about 81.7081634636.

The spelling of 545502 in words is "five hundred forty-five thousand, five hundred two".