550000499987 has 2 divisors, whose sum is σ = 550000499988. Its totient is φ = 550000499986.

The previous prime is 550000499963. The next prime is 550000499989. The reversal of 550000499987 is 789994000055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550000499987 - 2²⁶ = 549933391123 is a prime.

Together with 550000499989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (550000499989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275000249993 + 275000249994.

It is an arithmetic number, because the mean of its divisors is an integer number (275000249994).

Almost surely, 2^550000499987 is an apocalyptic number.

550000499987 is a deficient number, since it is larger than the sum of its proper divisors (1).

550000499987 is an equidigital number, since it uses as much as digits as its factorization.

550000499987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 56.

The spelling of 550000499987 in words is "five hundred fifty billion, four hundred ninety-nine thousand, nine hundred eighty-seven".