550055549987 has 2 divisors, whose sum is σ = 550055549988. Its totient is φ = 550055549986.

The previous prime is 550055549971. The next prime is 550055550013. The reversal of 550055549987 is 789945550055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550055549987 - 2⁴ = 550055549971 is a prime.

It is a super-2 number, since 2×550055549987² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (550055549587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275027774993 + 275027774994.

It is an arithmetic number, because the mean of its divisors is an integer number (275027774994).

Almost surely, 2^550055549987 is an apocalyptic number.

550055549987 is a deficient number, since it is larger than the sum of its proper divisors (1).

550055549987 is an equidigital number, since it uses as much as digits as its factorization.

550055549987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700000, while the sum is 62.

The spelling of 550055549987 in words is "five hundred fifty billion, fifty-five million, five hundred forty-nine thousand, nine hundred eighty-seven".