5578849 has 2 divisors, whose sum is σ = 5578850. Its totient is φ = 5578848.

The previous prime is 5578847. The next prime is 5578861. The reversal of 5578849 is 9488755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5438224 + 140625 = 2332^2 + 375^2 .

It is a cyclic number.

It is not a de Polignac number, because 5578849 - 2¹ = 5578847 is a prime.

It is a super-2 number, since 2×5578849² = 62247112329602, which contains 22 as substring.

Together with 5578847, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5578799 and 5578808.

It is not a weakly prime, because it can be changed into another prime (5578847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2789424 + 2789425.

It is an arithmetic number, because the mean of its divisors is an integer number (2789425).

Almost surely, 2^5578849 is an apocalyptic number.

It is an amenable number.

5578849 is a deficient number, since it is larger than the sum of its proper divisors (1).

5578849 is an equidigital number, since it uses as much as digits as its factorization.

5578849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 46.

The square root of 5578849 is about 2361.9587210618. The cubic root of 5578849 is about 177.3569461682.

The spelling of 5578849 in words is "five million, five hundred seventy-eight thousand, eight hundred forty-nine".