550088221069 has 2 divisors, whose sum is σ = 550088221070. Its totient is φ = 550088221068.

The previous prime is 550088221051. The next prime is 550088221091. The reversal of 550088221069 is 960122880055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 329717124100 + 220371096969 = 574210^2 + 469437^2 .

It is a cyclic number.

It is not a de Polignac number, because 550088221069 - 2²³ = 550079832461 is a prime.

It is a super-3 number, since 3×550088221069³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550088221009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275044110534 + 275044110535.

It is an arithmetic number, because the mean of its divisors is an integer number (275044110535).

Almost surely, 2^550088221069 is an apocalyptic number.

It is an amenable number.

550088221069 is a deficient number, since it is larger than the sum of its proper divisors (1).

550088221069 is an equidigital number, since it uses as much as digits as its factorization.

550088221069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 550088221069 in words is "five hundred fifty billion, eighty-eight million, two hundred twenty-one thousand, sixty-nine".