550205544364 has 12 divisors (see below), whose sum is σ = 1100411088784. Its totient is φ = 235802376144.

The previous prime is 550205544277. The next prime is 550205544407. The reversal of 550205544364 is 463445502055.

550205544364 is an admirable number.

It is a super-2 number, since 2×550205544364² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550205544364.

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, 9825098979 + ... + 9825099034.

Almost surely, 2^550205544364 is an apocalyptic number.

It is an amenable number.

550205544364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

550205544364 is a wasteful number, since it uses less digits than its factorization.

550205544364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19650198024 (or 19650198022 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 550205544364 in words is "five hundred fifty billion, two hundred five million, five hundred forty-four thousand, three hundred sixty-four".