539855 has 4 divisors (see below), whose sum is σ = 647832. Its totient is φ = 431880.

The previous prime is 539849. The next prime is 539863. The reversal of 539855 is 558935.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 539855 - 2⁴ = 539839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 53981 + ... + 53990.

It is an arithmetic number, because the mean of its divisors is an integer number (161958).

2⁵³⁹⁸⁵⁵ is an apocalyptic number.

539855 is a deficient number, since it is larger than the sum of its proper divisors (107977).

539855 is a wasteful number, since it uses less digits than its factorization.

539855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107976.

The product of its digits is 27000, while the sum is 35.

The square root of 539855 is about 734.7482562075. The cubic root of 539855 is about 81.4252391314.

The spelling of 539855 in words is "five hundred thirty-nine thousand, eight hundred fifty-five".