5555527997 has 2 divisors, whose sum is σ = 5555527998. Its totient is φ = 5555527996.

The previous prime is 5555527987. The next prime is 5555528051. The reversal of 5555527997 is 7997255555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3115760761 + 2439767236 = 55819^2 + 49394^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555527997 - 2¹² = 5555523901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5555527907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777763998 + 2777763999.

It is an arithmetic number, because the mean of its divisors is an integer number (2777763999).

Almost surely, 2^5555527997 is an apocalyptic number.

It is an amenable number.

5555527997 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555527997 is an equidigital number, since it uses as much as digits as its factorization.

5555527997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24806250, while the sum is 59.

The square root of 5555527997 is about 74535.4143813530. The cubic root of 5555527997 is about 1771.0946867660.

The spelling of 5555527997 in words is "five billion, five hundred fifty-five million, five hundred twenty-seven thousand, nine hundred ninety-seven".