6755581 has 6 divisors (see below), whose sum is σ = 7858590. Its totient is φ = 5790456.

The previous prime is 6755563. The next prime is 6755599. The reversal of 6755581 is 1855576.

6755581 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6755563) and next prime (6755599).

It can be written as a sum of positive squares in only one way, i.e., 3980025 + 2775556 = 1995^2 + 1666^2 .

It is not a de Polignac number, because 6755581 - 2⁵ = 6755549 is a prime.

It is a super-2 number, since 2×6755581² = 91275749295122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6755581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6755561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68886 + ... + 68983.

It is an arithmetic number, because the mean of its divisors is an integer number (1309765).

Almost surely, 2^6755581 is an apocalyptic number.

It is an amenable number.

6755581 is a deficient number, since it is larger than the sum of its proper divisors (1103009).

6755581 is a wasteful number, since it uses less digits than its factorization.

6755581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137883 (or 137876 counting only the distinct ones).

The product of its digits is 42000, while the sum is 37.

The square root of 6755581 is about 2599.1500533828. The cubic root of 6755581 is about 189.0402292051.

The spelling of 6755581 in words is "six million, seven hundred fifty-five thousand, five hundred eighty-one".