550277755217 has 2 divisors, whose sum is σ = 550277755218. Its totient is φ = 550277755216.

The previous prime is 550277755177. The next prime is 550277755277. The reversal of 550277755217 is 712557772055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 524116633681 + 26161121536 = 723959^2 + 161744^2 .

It is a cyclic number.

It is not a de Polignac number, because 550277755217 - 2¹⁰ = 550277754193 is a prime.

It is not a weakly prime, because it can be changed into another prime (550277755277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275138877608 + 275138877609.

It is an arithmetic number, because the mean of its divisors is an integer number (275138877609).

Almost surely, 2^550277755217 is an apocalyptic number.

It is an amenable number.

550277755217 is a deficient number, since it is larger than the sum of its proper divisors (1).

550277755217 is an equidigital number, since it uses as much as digits as its factorization.

550277755217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6002500, while the sum is 53.

The spelling of 550277755217 in words is "five hundred fifty billion, two hundred seventy-seven million, seven hundred fifty-five thousand, two hundred seventeen".