547855 has 16 divisors (see below), whose sum is σ = 820224. Its totient is φ = 341280.

The previous prime is 547853. The next prime is 547871. The reversal of 547855 is 558745.

It is not a de Polignac number, because 547855 - 2¹ = 547853 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 547855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327 + ... + 1096.

It is an arithmetic number, because the mean of its divisors is an integer number (51264).

2⁵⁴⁷⁸⁵⁵ is an apocalyptic number.

547855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

547855 is a deficient number, since it is larger than the sum of its proper divisors (272369).

547855 is a wasteful number, since it uses less digits than its factorization.

547855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446.

The product of its digits is 28000, while the sum is 34.

The square root of 547855 is about 740.1722772436. The cubic root of 547855 is about 81.8254765288.

The spelling of 547855 in words is "five hundred forty-seven thousand, eight hundred fifty-five".