5665550993 has 2 divisors, whose sum is σ = 5665550994. Its totient is φ = 5665550992.

The previous prime is 5665550977. The next prime is 5665551029. The reversal of 5665550993 is 3990555665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4481365249 + 1184185744 = 66943^2 + 34412^2 .

It is a cyclic number.

It is not a de Polignac number, because 5665550993 - 2⁴ = 5665550977 is a prime.

It is not a weakly prime, because it can be changed into another prime (5665550953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832775496 + 2832775497.

It is an arithmetic number, because the mean of its divisors is an integer number (2832775497).

Almost surely, 2^5665550993 is an apocalyptic number.

It is an amenable number.

5665550993 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665550993 is an equidigital number, since it uses as much as digits as its factorization.

5665550993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5467500, while the sum is 53.

The square root of 5665550993 is about 75269.8544770747. The cubic root of 5665550993 is about 1782.7100696027.

The spelling of 5665550993 in words is "five billion, six hundred sixty-five million, five hundred fifty thousand, nine hundred ninety-three".