505550443516 has 6 divisors (see below), whose sum is σ = 884713276160. Its totient is φ = 252775221756.

The previous prime is 505550443487. The next prime is 505550443523. The reversal of 505550443516 is 615344055505.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63193805436 + ... + 63193805443.

Almost surely, 2^505550443516 is an apocalyptic number.

It is an amenable number.

505550443516 is a deficient number, since it is larger than the sum of its proper divisors (379162832644).

505550443516 is a wasteful number, since it uses less digits than its factorization.

505550443516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126387610883 (or 126387610881 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 505550443516 in words is "five hundred five billion, five hundred fifty million, four hundred forty-three thousand, five hundred sixteen".