550606551516 has 72 divisors (see below), whose sum is σ = 1592759727104. Its totient is φ = 157106628000.

The previous prime is 550606551499. The next prime is 550606551559. The reversal of 550606551516 is 615155606055.

550606551516 is a `hidden beast` number, since 5 + 5 + 0 + 60 + 65 + 515 + 16 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1265440 + ... + 1643943.

Almost surely, 2^550606551516 is an apocalyptic number.

It is an amenable number.

550606551516 is an abundant number, since it is smaller than the sum of its proper divisors (1042153175588).

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

550606551516 is a wasteful number, since it uses less digits than its factorization.

550606551516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910151 (or 2910146 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 550606551516 in words is "five hundred fifty billion, six hundred six million, five hundred fifty-one thousand, five hundred sixteen".