545858 has 8 divisors (see below), whose sum is σ = 836352. Its totient is φ = 267076.

The previous prime is 545843. The next prime is 545863. The reversal of 545858 is 858545.

It is a happy number.

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

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 545858.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2810 + ... + 2997.

It is an arithmetic number, because the mean of its divisors is an integer number (104544).

2⁵⁴⁵⁸⁵⁸ is an apocalyptic number.

545858 is a deficient number, since it is larger than the sum of its proper divisors (290494).

545858 is a wasteful number, since it uses less digits than its factorization.

545858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5856.

The product of its digits is 32000, while the sum is 35.

The square root of 545858 is about 738.8220354050. The cubic root of 545858 is about 81.7259341169.

The spelling of 545858 in words is "five hundred forty-five thousand, eight hundred fifty-eight".