6555851 has 8 divisors (see below), whose sum is σ = 6890400. Its totient is φ = 6225472.

The previous prime is 6555839. The next prime is 6555907. The reversal of 6555851 is 1585556.

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

It is a cyclic number.

It is not a de Polignac number, because 6555851 - 2¹⁰ = 6554827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6555821) 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, 2471 + ... + 4383.

It is an arithmetic number, because the mean of its divisors is an integer number (861300).

Almost surely, 2^6555851 is an apocalyptic number.

6555851 is a deficient number, since it is larger than the sum of its proper divisors (334549).

6555851 is a wasteful number, since it uses less digits than its factorization.

6555851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085.

The product of its digits is 30000, while the sum is 35.

The square root of 6555851 is about 2560.4396106919. The cubic root of 6555851 is about 187.1585584569.

The spelling of 6555851 in words is "six million, five hundred fifty-five thousand, eight hundred fifty-one".