545766 has 16 divisors (see below), whose sum is σ = 1175664. Its totient is φ = 167904.

The previous prime is 545759. The next prime is 545773. The reversal of 545766 is 667545.

545766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (545759) and next prime (545773).

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 545766.

It is an unprimeable number.

545766 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 7 ways as a sum of consecutive naturals, for example, 3421 + ... + 3576.

It is an arithmetic number, because the mean of its divisors is an integer number (73479).

2⁵⁴⁵⁷⁶⁶ is an apocalyptic number.

545766 is an abundant number, since it is smaller than the sum of its proper divisors (629898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545766 is a wasteful number, since it uses less digits than its factorization.

545766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7015.

The product of its digits is 25200, while the sum is 33.

The square root of 545766 is about 738.7597715090. The cubic root of 545766 is about 81.7213424415.

It can be divided in two parts, 54 and 5766, that multiplied together give a square (311364 = 558²).

The spelling of 545766 in words is "five hundred forty-five thousand, seven hundred sixty-six".