540555 has 8 divisors (see below), whose sum is σ = 864912. Its totient is φ = 288288.

The previous prime is 540541. The next prime is 540557. The reversal of 540555 is 555045.

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

It is not a de Polignac number, because 540555 - 2⁴ = 540539 is a prime.

540555 is a modest number, since divided by 555 gives 540 as remainder.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 540555.

It is not an unprimeable number, because it can be changed into a prime (540557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18004 + ... + 18033.

It is an arithmetic number, because the mean of its divisors is an integer number (108114).

2⁵⁴⁰⁵⁵⁵ is an apocalyptic number.

540555 is a deficient number, since it is larger than the sum of its proper divisors (324357).

540555 is a wasteful number, since it uses less digits than its factorization.

540555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36045.

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 540555 is about 735.2244555236. The cubic root of 540555 is about 81.4604171267.

It can be divided in two parts, 5405 and 55, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 540555 in words is "five hundred forty thousand, five hundred fifty-five".