6555963 has 8 divisors (see below), whose sum is σ = 8786448. Its totient is φ = 4348064.

The previous prime is 6555961. The next prime is 6555971. The reversal of 6555963 is 3695556.

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 6555963 - 2¹ = 6555961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6555961) 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, 4956 + ... + 6137.

It is an arithmetic number, because the mean of its divisors is an integer number (1098306).

Almost surely, 2^6555963 is an apocalyptic number.

6555963 is a deficient number, since it is larger than the sum of its proper divisors (2230485).

6555963 is a wasteful number, since it uses less digits than its factorization.

6555963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11293.

The product of its digits is 121500, while the sum is 39.

The square root of 6555963 is about 2560.4614818427. The cubic root of 6555963 is about 187.1596242549.

The spelling of 6555963 in words is "six million, five hundred fifty-five thousand, nine hundred sixty-three".