545954 has 8 divisors (see below), whose sum is σ = 847260. Its totient is φ = 263536.

The previous prime is 545947. The next prime is 545959. The reversal of 545954 is 459545.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 469225 + 76729 = 685^2 + 277^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 545954.

It is not an unprimeable number, because it can be changed into a prime (545959) by changing a digit.

545954 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4649 + ... + 4764.

2⁵⁴⁵⁹⁵⁴ is an apocalyptic number.

545954 is a deficient number, since it is larger than the sum of its proper divisors (301306).

545954 is a wasteful number, since it uses less digits than its factorization.

545954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9444.

The product of its digits is 18000, while the sum is 32.

The square root of 545954 is about 738.8870008330. The cubic root of 545954 is about 81.7307248805.

The spelling of 545954 in words is "five hundred forty-five thousand, nine hundred fifty-four".