5444509 has 4 divisors (see below), whose sum is σ = 6222304. Its totient is φ = 4666716.

The previous prime is 5444501. The next prime is 5444519. The reversal of 5444509 is 9054445.

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: 9054445 = 5 ⋅1810889.

It is a cyclic number.

It is not a de Polignac number, because 5444509 - 2³ = 5444501 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 (5444501) 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, 388887 + ... + 388900.

It is an arithmetic number, because the mean of its divisors is an integer number (1555576).

Almost surely, 2^5444509 is an apocalyptic number.

It is an amenable number.

5444509 is a deficient number, since it is larger than the sum of its proper divisors (777795).

5444509 is an equidigital number, since it uses as much as digits as its factorization.

5444509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777794.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 5444509 is about 2333.3471666257. The cubic root of 5444509 is about 175.9217649011.

The spelling of 5444509 in words is "five million, four hundred forty-four thousand, five hundred nine".