550505050506 has 12 divisors (see below), whose sum is σ = 1192760942802. Its totient is φ = 183501683496.

The previous prime is 550505050489. The next prime is 550505050507. The reversal of 550505050506 is 605050505055.

550505050506 is a `hidden beast` number, since 5 + 5 + 0 + 50 + 50 + 50 + 506 = 666.

It can be written as a sum of positive squares in only one way, i.e., 372171983481 + 178333067025 = 610059^2 + 422295^2 .

It is a super-2 number, since 2×550505050506² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550505050507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15291806941 + ... + 15291806976.

Almost surely, 2^550505050506 is an apocalyptic number.

550505050506 is an abundant number, since it is smaller than the sum of its proper divisors (642255892296).

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

550505050506 is a wasteful number, since it uses less digits than its factorization.

550505050506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30583613925 (or 30583613922 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The spelling of 550505050506 in words is "five hundred fifty billion, five hundred five million, fifty thousand, five hundred six".