5550664809587 has 2 divisors, whose sum is σ = 5550664809588. Its totient is φ = 5550664809586.

The previous prime is 5550664809581. The next prime is 5550664809691. The reversal of 5550664809587 is 7859084660555.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5550664809587 - 2²⁰ = 5550663761011 is a prime.

It is a super-2 number, since 2×5550664809587² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5550664809581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775332404793 + 2775332404794.

It is an arithmetic number, because the mean of its divisors is an integer number (2775332404794).

Almost surely, 2^{5550664809587} is an apocalyptic number.

5550664809587 is a deficient number, since it is larger than the sum of its proper divisors (1).

5550664809587 is an equidigital number, since it uses as much as digits as its factorization.

5550664809587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880000, while the sum is 68.

The spelling of 5550664809587 in words is "five trillion, five hundred fifty billion, six hundred sixty-four million, eight hundred nine thousand, five hundred eighty-seven".