5547749 has 2 divisors, whose sum is σ = 5547750. Its totient is φ = 5547748.

The previous prime is 5547733. The next prime is 5547757. The reversal of 5547749 is 9477455.

5547749 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3045025 + 2502724 = 1745^2 + 1582^2 .

It is a cyclic number.

It is not a de Polignac number, because 5547749 - 2⁴ = 5547733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5547709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2773874 + 2773875.

It is an arithmetic number, because the mean of its divisors is an integer number (2773875).

Almost surely, 2^5547749 is an apocalyptic number.

It is an amenable number.

5547749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5547749 is an equidigital number, since it uses as much as digits as its factorization.

5547749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 41.

The square root of 5547749 is about 2355.3660012830. The cubic root of 5547749 is about 177.0267656120.

The spelling of 5547749 in words is "five million, five hundred forty-seven thousand, seven hundred forty-nine".