552556649 has 2 divisors, whose sum is σ = 552556650. Its totient is φ = 552556648.

The previous prime is 552556639. The next prime is 552556663. The reversal of 552556649 is 946655255.

552556649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328515625 + 224041024 = 18125^2 + 14968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552556649 is a prime.

It is not a weakly prime, because it can be changed into another prime (552556639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276278324 + 276278325.

It is an arithmetic number, because the mean of its divisors is an integer number (276278325).

Almost surely, 2^552556649 is an apocalyptic number.

It is an amenable number.

552556649 is a deficient number, since it is larger than the sum of its proper divisors (1).

552556649 is an equidigital number, since it uses as much as digits as its factorization.

552556649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620000, while the sum is 47.

The square root of 552556649 is about 23506.5235413491. The cubic root of 552556649 is about 820.5888339536.

The spelling of 552556649 in words is "five hundred fifty-two million, five hundred fifty-six thousand, six hundred forty-nine".