5656089 has 4 divisors (see below), whose sum is σ = 7541456. Its totient is φ = 3770724.

The previous prime is 5656037. The next prime is 5656093. The reversal of 5656089 is 9806565.

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 5656089 - 2⁷ = 5655961 is a prime.

It is a D-number.

It is a Duffinian number.

5656089 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5656099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942679 + ... + 942684.

It is an arithmetic number, because the mean of its divisors is an integer number (1885364).

Almost surely, 2^5656089 is an apocalyptic number.

It is an amenable number.

5656089 is a deficient number, since it is larger than the sum of its proper divisors (1885367).

5656089 is a wasteful number, since it uses less digits than its factorization.

5656089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885366.

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

The square root of 5656089 is about 2378.2533506757. The cubic root of 5656089 is about 178.1717086495.

The spelling of 5656089 in words is "five million, six hundred fifty-six thousand, eighty-nine".