545906 has 8 divisors (see below), whose sum is σ = 822000. Its totient is φ = 271908.

The previous prime is 545899. The next prime is 545911. The reversal of 545906 is 609545.

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

It is an unprimeable number.

545906 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, 725 + ... + 1271.

It is an arithmetic number, because the mean of its divisors is an integer number (102750).

2⁵⁴⁵⁹⁰⁶ is an apocalyptic number.

545906 is a deficient number, since it is larger than the sum of its proper divisors (276094).

545906 is a wasteful number, since it uses less digits than its factorization.

545906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 545906 is about 738.8545188330. The cubic root of 545906 is about 81.7283295689.

The spelling of 545906 in words is "five hundred forty-five thousand, nine hundred six".