5445819 has 16 divisors (see below), whose sum is σ = 8151840. Its totient is φ = 3592800.

The previous prime is 5445787. The next prime is 5445833. The reversal of 5445819 is 9185445.

5445819 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5445819 - 2⁵ = 5445787 is a prime.

It is a super-2 number, since 2×5445819² = 59313889161522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5445889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1729 + ... + 3725.

It is an arithmetic number, because the mean of its divisors is an integer number (509490).

Almost surely, 2^5445819 is an apocalyptic number.

5445819 is a deficient number, since it is larger than the sum of its proper divisors (2706021).

5445819 is a wasteful number, since it uses less digits than its factorization.

5445819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107 (or 2101 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 5445819 is about 2333.6278623637. The cubic root of 5445819 is about 175.9358732460.

The spelling of 5445819 in words is "five million, four hundred forty-five thousand, eight hundred nineteen".