550476221532 has 12 divisors (see below), whose sum is σ = 1284444516936. Its totient is φ = 183492073840.

The previous prime is 550476221489. The next prime is 550476221567. The reversal of 550476221532 is 235122674055.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22936509219 + ... + 22936509242.

It is an arithmetic number, because the mean of its divisors is an integer number (107037043078).

Almost surely, 2^550476221532 is an apocalyptic number.

It is an amenable number.

550476221532 is an abundant number, since it is smaller than the sum of its proper divisors (733968295404).

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

550476221532 is a wasteful number, since it uses less digits than its factorization.

550476221532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45873018468 (or 45873018466 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

Adding to 550476221532 its reverse (235122674055), we get a palindrome (785598895587).

The spelling of 550476221532 in words is "five hundred fifty billion, four hundred seventy-six million, two hundred twenty-one thousand, five hundred thirty-two".