545053 has 4 divisors (see below), whose sum is σ = 573760. Its totient is φ = 516348.

The previous prime is 545033. The next prime is 545057. The reversal of 545053 is 350545.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 545053 - 2¹⁷ = 413981 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545057) 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, 14325 + ... + 14362.

It is an arithmetic number, because the mean of its divisors is an integer number (143440).

2⁵⁴⁵⁰⁵³ is an apocalyptic number.

It is an amenable number.

545053 is a deficient number, since it is larger than the sum of its proper divisors (28707).

545053 is a wasteful number, since it uses less digits than its factorization.

545053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28706.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 545053 is about 738.2770482685. The cubic root of 545053 is about 81.6857394483.

Adding to 545053 its reverse (350545), we get a palindrome (895598).

The spelling of 545053 in words is "five hundred forty-five thousand, fifty-three".