6555849 has 16 divisors (see below), whose sum is σ = 9100800. Its totient is φ = 4193280.

The previous prime is 6555839. The next prime is 6555907. The reversal of 6555849 is 9485556.

It is not a de Polignac number, because 6555849 - 2⁴ = 6555833 is a prime.

It is a super-2 number, since 2×6555849² = 85958312221602, which contains 22 as substring.

6555849 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6555849.

It is not an unprimeable number, because it can be changed into a prime (6555839) 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, 14377 + ... + 14825.

It is an arithmetic number, because the mean of its divisors is an integer number (568800).

Almost surely, 2^6555849 is an apocalyptic number.

It is an amenable number.

6555849 is a deficient number, since it is larger than the sum of its proper divisors (2544951).

6555849 is a wasteful number, since it uses less digits than its factorization.

6555849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640.

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

The square root of 6555849 is about 2560.4392201339. The cubic root of 6555849 is about 187.1585394246.

The spelling of 6555849 in words is "six million, five hundred fifty-five thousand, eight hundred forty-nine".