550475372322 has 18 divisors (see below), whose sum is σ = 1192703460273. Its totient is φ = 183490741512.

The previous prime is 550475372309. The next prime is 550475372329. The reversal of 550475372322 is 223273574055.

It is a happy number.

550475372322 is a `hidden beast` number, since 5 + 50 + 47 + 537 + 2 + 3 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 422891390601 + 127583981721 = 650301^2 + 357189^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=524631.

It is not an unprimeable number, because it can be changed into a prime (550475372329) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3060348 + ... + 3235224.

Almost surely, 2^550475372322 is an apocalyptic number.

550475372322 is an abundant number, since it is smaller than the sum of its proper divisors (642228087951).

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

550475372322 is an frugal number, since it uses more digits than its factorization.

550475372322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349762 (or 174882 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 45.

The spelling of 550475372322 in words is "five hundred fifty billion, four hundred seventy-five million, three hundred seventy-two thousand, three hundred twenty-two".