545826 has 8 divisors (see below), whose sum is σ = 1091664. Its totient is φ = 181940.

The previous prime is 545791. The next prime is 545827. The reversal of 545826 is 628545.

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

545826 is an admirable number.

It is a nialpdrome in base 7 and base 16.

It is a junction number, because it is equal to n+sod(n) for n = 545793 and 545802.

It is not an unprimeable number, because it can be changed into a prime (545827) by changing a digit.

545826 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, 45480 + ... + 45491.

It is an arithmetic number, because the mean of its divisors is an integer number (136458).

2⁵⁴⁵⁸²⁶ is an apocalyptic number.

545826 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.

545826 is a wasteful number, since it uses less digits than its factorization.

545826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90976.

The product of its digits is 9600, while the sum is 30.

The square root of 545826 is about 738.8003789929. The cubic root of 545826 is about 81.7243370710.

The spelling of 545826 in words is "five hundred forty-five thousand, eight hundred twenty-six".