6555697 has 8 divisors (see below), whose sum is σ = 6780416. Its totient is φ = 6333552.

The previous prime is 6555691. The next prime is 6555707. The reversal of 6555697 is 7965556.

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 6555697 - 2¹⁹ = 6031409 is a prime.

It is a Duffinian number.

6555697 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6555691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5488 + ... + 6574.

It is an arithmetic number, because the mean of its divisors is an integer number (847552).

Almost surely, 2^6555697 is an apocalyptic number.

It is an amenable number.

6555697 is a deficient number, since it is larger than the sum of its proper divisors (224719).

6555697 is a wasteful number, since it uses less digits than its factorization.

6555697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287.

The product of its digits is 283500, while the sum is 43.

The square root of 6555697 is about 2560.4095375545. The cubic root of 6555697 is about 187.1570929648.

The spelling of 6555697 in words is "six million, five hundred fifty-five thousand, six hundred ninety-seven".