55505050492 has 12 divisors (see below), whose sum is σ = 97163942680. Its totient is φ = 27743924016.

The previous prime is 55505050477. The next prime is 55505050529. The reversal of 55505050492 is 29405050555.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2135778 + ... + 2161609.

Almost surely, 2^55505050492 is an apocalyptic number.

It is an amenable number.

55505050492 is a deficient number, since it is larger than the sum of its proper divisors (41658892188).

55505050492 is a wasteful number, since it uses less digits than its factorization.

55505050492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300620 (or 4300618 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 40.

The spelling of 55505050492 in words is "fifty-five billion, five hundred five million, fifty thousand, four hundred ninety-two".