5517649 has 2 divisors, whose sum is σ = 5517650. Its totient is φ = 5517648.

The previous prime is 5517643. The next prime is 5517653. The reversal of 5517649 is 9467155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3775249 + 1742400 = 1943^2 + 1320^2 .

It is a cyclic number.

It is not a de Polignac number, because 5517649 - 2³ = 5517641 is a prime.

It is not a weakly prime, because it can be changed into another prime (5517641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2758824 + 2758825.

It is an arithmetic number, because the mean of its divisors is an integer number (2758825).

Almost surely, 2^5517649 is an apocalyptic number.

It is an amenable number.

5517649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5517649 is an equidigital number, since it uses as much as digits as its factorization.

5517649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 37.

The square root of 5517649 is about 2348.9676455839. The cubic root of 5517649 is about 176.7060246159.

Adding to 5517649 its product of digits (37800), we get a square (5555449 = 2357²).

It can be divided in two parts, 55176 and 49, that added together give a square (55225 = 235²).

The spelling of 5517649 in words is "five million, five hundred seventeen thousand, six hundred forty-nine".