545756 has 24 divisors (see below), whose sum is σ = 1034880. Its totient is φ = 250992.

The previous prime is 545749. The next prime is 545759. The reversal of 545756 is 657545.

It is a happy number.

545756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×545756² = 595699223072, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5² + 4⁹ + 7⁴ + 5⁴ + 5⁴ + 6⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545759) by changing a digit.

545756 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, 3185 + ... + 3351.

It is an arithmetic number, because the mean of its divisors is an integer number (43120).

2⁵⁴⁵⁷⁵⁶ is an apocalyptic number.

It is an amenable number.

545756 is a deficient number, since it is larger than the sum of its proper divisors (489124).

545756 is a wasteful number, since it uses less digits than its factorization.

545756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 231 counting only the distinct ones).

The product of its digits is 21000, while the sum is 32.

The square root of 545756 is about 738.7530033780. The cubic root of 545756 is about 81.7208433152.

The spelling of 545756 in words is "five hundred forty-five thousand, seven hundred fifty-six".