6775559 has 4 divisors (see below), whose sum is σ = 7743504. Its totient is φ = 5807616.

The previous prime is 6775541. The next prime is 6775579. The reversal of 6775559 is 9555776.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6775559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6775519) 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, 483962 + ... + 483975.

It is an arithmetic number, because the mean of its divisors is an integer number (1935876).

Almost surely, 2^6775559 is an apocalyptic number.

6775559 is a deficient number, since it is larger than the sum of its proper divisors (967945).

6775559 is an equidigital number, since it uses as much as digits as its factorization.

6775559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967944.

The product of its digits is 330750, while the sum is 44.

The square root of 6775559 is about 2602.9903956796. The cubic root of 6775559 is about 189.2263927620.

The spelling of 6775559 in words is "six million, seven hundred seventy-five thousand, five hundred fifty-nine".