5591489 has 4 divisors (see below), whose sum is σ = 5686320. Its totient is φ = 5496660.

The previous prime is 5591483. The next prime is 5591497. The reversal of 5591489 is 9841955.

It is a happy number.

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: 9841955 = 5 ⋅1968391.

It is a cyclic number.

It is not a de Polignac number, because 5591489 - 2⁸ = 5591233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5591483) 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, 47327 + ... + 47444.

It is an arithmetic number, because the mean of its divisors is an integer number (1421580).

Almost surely, 2^5591489 is an apocalyptic number.

5591489 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

5591489 is a deficient number, since it is larger than the sum of its proper divisors (94831).

5591489 is an equidigital number, since it uses as much as digits as its factorization.

5591489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94830.

The product of its digits is 64800, while the sum is 41.

The square root of 5591489 is about 2364.6329524897. The cubic root of 5591489 is about 177.4907910319.

It can be divided in two parts, 559 and 1489, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 5591489 in words is "five million, five hundred ninety-one thousand, four hundred eighty-nine".