6855549 has 8 divisors (see below), whose sum is σ = 9152832. Its totient is φ = 4564320.

The previous prime is 6855529. The next prime is 6855593. The reversal of 6855549 is 9455586.

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

It is not a de Polignac number, because 6855549 - 2⁸ = 6855293 is a prime.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 6855549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6855529) 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, 3672 + ... + 5214.

It is an arithmetic number, because the mean of its divisors is an integer number (1144104).

Almost surely, 2^6855549 is an apocalyptic number.

It is an amenable number.

6855549 is a deficient number, since it is larger than the sum of its proper divisors (2297283).

6855549 is a wasteful number, since it uses less digits than its factorization.

6855549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027.

The product of its digits is 216000, while the sum is 42.

The square root of 6855549 is about 2618.3103330201. The cubic root of 6855549 is about 189.9681294651.

The spelling of 6855549 in words is "six million, eight hundred fifty-five thousand, five hundred forty-nine".