545769 has 12 divisors (see below), whose sum is σ = 901056. Its totient is φ = 311832.

The previous prime is 545759. The next prime is 545773. The reversal of 545769 is 967545.

545769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 545769 - 2⁷ = 545641 is a prime.

It is a super-2 number, since 2×545769² = 595727602722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 7.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 545769.

It is not an unprimeable number, because it can be changed into a prime (545749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4269 + ... + 4394.

It is an arithmetic number, because the mean of its divisors is an integer number (75088).

2⁵⁴⁵⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

545769 is a deficient number, since it is larger than the sum of its proper divisors (355287).

545769 is a wasteful number, since it uses less digits than its factorization.

545769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8676 (or 8673 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 545769 is about 738.7618019362. The cubic root of 545769 is about 81.7214921781.

The spelling of 545769 in words is "five hundred forty-five thousand, seven hundred sixty-nine".