5555527987 has 2 divisors, whose sum is σ = 5555527988. Its totient is φ = 5555527986.

The previous prime is 5555527973. The next prime is 5555527997. The reversal of 5555527987 is 7897255555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5555527987 - 2¹¹ = 5555525939 is a prime.

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, 2777763993 + 2777763994.

It is an arithmetic number, because the mean of its divisors is an integer number (2777763994).

Almost surely, 2^5555527987 is an apocalyptic number.

5555527987 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555527987 is an equidigital number, since it uses as much as digits as its factorization.

5555527987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22050000, while the sum is 58.

The square root of 5555527987 is about 74535.4143142708. The cubic root of 5555527987 is about 1771.0946857033.

The spelling of 5555527987 in words is "five billion, five hundred fifty-five million, five hundred twenty-seven thousand, nine hundred eighty-seven".