6556089 has 4 divisors (see below), whose sum is σ = 8741456. Its totient is φ = 4370724.

The previous prime is 6556079. The next prime is 6556111. The reversal of 6556089 is 9806556.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6556089 - 2⁷ = 6555961 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6556019) 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, 1092679 + ... + 1092684.

It is an arithmetic number, because the mean of its divisors is an integer number (2185364).

Almost surely, 2^6556089 is an apocalyptic number.

It is an amenable number.

6556089 is a deficient number, since it is larger than the sum of its proper divisors (2185367).

6556089 is a wasteful number, since it uses less digits than its factorization.

6556089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185366.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 6556089 is about 2560.4860866640. The cubic root of 6556089 is about 187.1608232632.

The spelling of 6556089 in words is "six million, five hundred fifty-six thousand, eighty-nine".