5564554649 has 2 divisors, whose sum is σ = 5564554650. Its totient is φ = 5564554648.

The previous prime is 5564554609. The next prime is 5564554669. The reversal of 5564554649 is 9464554655.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4618561600 + 945993049 = 67960^2 + 30757^2 .

It is a cyclic number.

It is not a de Polignac number, because 5564554649 - 2¹² = 5564550553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5564554649.

It is not a weakly prime, because it can be changed into another prime (5564554609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2782277324 + 2782277325.

It is an arithmetic number, because the mean of its divisors is an integer number (2782277325).

Almost surely, 2^5564554649 is an apocalyptic number.

It is an amenable number.

5564554649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5564554649 is an equidigital number, since it uses as much as digits as its factorization.

5564554649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960000, while the sum is 53.

The square root of 5564554649 is about 74595.9425773279. The cubic root of 5564554649 is about 1772.0533957969.

The spelling of 5564554649 in words is "five billion, five hundred sixty-four million, five hundred fifty-four thousand, six hundred forty-nine".