6559955 has 4 divisors (see below), whose sum is σ = 7871952. Its totient is φ = 5247960.

The previous prime is 6559939. The next prime is 6559957. The reversal of 6559955 is 5599556.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6559955 - 2⁴ = 6559939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6559957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655991 + ... + 656000.

It is an arithmetic number, because the mean of its divisors is an integer number (1967988).

Almost surely, 2^6559955 is an apocalyptic number.

6559955 is a deficient number, since it is larger than the sum of its proper divisors (1311997).

6559955 is a wasteful number, since it uses less digits than its factorization.

6559955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311996.

The product of its digits is 303750, while the sum is 44.

The square root of 6559955 is about 2561.2409101840. The cubic root of 6559955 is about 187.1976044176.

The spelling of 6559955 in words is "six million, five hundred fifty-nine thousand, nine hundred fifty-five".