5519449 has 4 divisors (see below), whose sum is σ = 5944036. Its totient is φ = 5094864.

The previous prime is 5519447. The next prime is 5519453. The reversal of 5519449 is 9449155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9449155 = 5 ⋅1889831.

It can be written as a sum of positive squares in 2 ways, for example, as 1345600 + 4173849 = 1160^2 + 2043^2 .

It is a cyclic number.

It is not a de Polignac number, because 5519449 - 2¹ = 5519447 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 (5519447) 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, 212274 + ... + 212299.

It is an arithmetic number, because the mean of its divisors is an integer number (1486009).

Almost surely, 2^5519449 is an apocalyptic number.

It is an amenable number.

5519449 is a deficient number, since it is larger than the sum of its proper divisors (424587).

5519449 is a wasteful number, since it uses less digits than its factorization.

5519449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424586.

The product of its digits is 32400, while the sum is 37.

The square root of 5519449 is about 2349.3507613807. The cubic root of 5519449 is about 176.7252378873.

It can be divided in two parts, 551 and 9449, that added together give a 4-th power (10000 = 10⁴).

The spelling of 5519449 in words is "five million, five hundred nineteen thousand, four hundred forty-nine".