5545589 has 4 divisors (see below), whose sum is σ = 6337824. Its totient is φ = 4753356.

The previous prime is 5545567. The next prime is 5545609. The reversal of 5545589 is 9855455.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9855455 = 5 ⋅1971091.

It is a cyclic number.

It is not a de Polignac number, because 5545589 - 2¹⁶ = 5480053 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 (5545789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396107 + ... + 396120.

It is an arithmetic number, because the mean of its divisors is an integer number (1584456).

Almost surely, 2^5545589 is an apocalyptic number.

It is an amenable number.

5545589 is a deficient number, since it is larger than the sum of its proper divisors (792235).

5545589 is an equidigital number, since it uses as much as digits as its factorization.

5545589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792234.

The product of its digits is 180000, while the sum is 41.

The square root of 5545589 is about 2354.9074291785. The cubic root of 5545589 is about 177.0037876768.

The spelling of 5545589 in words is "five million, five hundred forty-five thousand, five hundred eighty-nine".