548545 has 8 divisors (see below), whose sum is σ = 679680. Its totient is φ = 424560.

The previous prime is 548543. The next prime is 548557. The reversal of 548545 is 545845.

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

It is not a de Polignac number, because 548545 - 2¹ = 548543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

548545 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (548543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1615 + ... + 1924.

It is an arithmetic number, because the mean of its divisors is an integer number (84960).

2⁵⁴⁸⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

548545 is a deficient number, since it is larger than the sum of its proper divisors (131135).

548545 is a wasteful number, since it uses less digits than its factorization.

548545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575.

The product of its digits is 16000, while the sum is 31.

The square root of 548545 is about 740.6382382783. The cubic root of 548545 is about 81.8598140163.

The spelling of 548545 in words is "five hundred forty-eight thousand, five hundred forty-five".