55555050578008 has 32 divisors (see below), whose sum is σ = 104380003962000. Its totient is φ = 27720422432640.

The previous prime is 55555050577933. The next prime is 55555050578099. The reversal of 55555050578008 is 80087505055555.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8763918 + ... + 13708258.

Almost surely, 2^{55555050578008} is an apocalyptic number.

It is an amenable number.

55555050578008 is a deficient number, since it is larger than the sum of its proper divisors (48824953383992).

55555050578008 is a wasteful number, since it uses less digits than its factorization.

55555050578008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4947235 (or 4947231 counting only the distinct ones).

The product of its (nonzero) digits is 35000000, while the sum is 58.

The spelling of 55555050578008 in words is "fifty-five trillion, five hundred fifty-five billion, fifty million, five hundred seventy-eight thousand, eight".