550211331522 has 16 divisors (see below), whose sum is σ = 1108454946912. Its totient is φ = 182065063200.

The previous prime is 550211331491. The next prime is 550211331557. The reversal of 550211331522 is 225133112055.

It is a self number, because there is not a number n which added to its sum of digits gives 550211331522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334677604 + ... + 334679247.

It is an arithmetic number, because the mean of its divisors is an integer number (69278434182).

Almost surely, 2^550211331522 is an apocalyptic number.

550211331522 is an abundant number, since it is smaller than the sum of its proper divisors (558243615390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550211331522 is a wasteful number, since it uses less digits than its factorization.

550211331522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669356993.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 550211331522 its reverse (225133112055), we get a palindrome (775344443577).

The spelling of 550211331522 in words is "five hundred fifty billion, two hundred eleven million, three hundred thirty-one thousand, five hundred twenty-two".