545753 has 4 divisors (see below), whose sum is σ = 587748. Its totient is φ = 503760.

The previous prime is 545749. The next prime is 545759. The reversal of 545753 is 357545.

545753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38809 + 506944 = 197^2 + 712^2 .

It is a cyclic number.

It is not a de Polignac number, because 545753 - 2² = 545749 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545759) 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, 20978 + ... + 21003.

It is an arithmetic number, because the mean of its divisors is an integer number (146937).

2⁵⁴⁵⁷⁵³ is an apocalyptic number.

It is an amenable number.

545753 is a deficient number, since it is larger than the sum of its proper divisors (41995).

545753 is a wasteful number, since it uses less digits than its factorization.

545753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41994.

The product of its digits is 10500, while the sum is 29.

The square root of 545753 is about 738.7509729266. The cubic root of 545753 is about 81.7206935761.

The spelling of 545753 in words is "five hundred forty-five thousand, seven hundred fifty-three".