55555050555056 has 20 divisors (see below), whose sum is σ = 115917749716272. Its totient is φ = 25640792563776.

The previous prime is 55555050555041. The next prime is 55555050555073. The reversal of 55555050555056 is 65055505055555.

It is a junction number, because it is equal to n+sod(n) for n = 55555050554992 and 55555050555010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133545794396 + ... + 133545794811.

Almost surely, 2^{55555050555056} is an apocalyptic number.

It is an amenable number.

55555050555056 is an abundant number, since it is smaller than the sum of its proper divisors (60362699161216).

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

55555050555056 is a wasteful number, since it uses less digits than its factorization.

55555050555056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267091589228 (or 267091589222 counting only the distinct ones).

The product of its (nonzero) digits is 58593750, while the sum is 56.

The spelling of 55555050555056 in words is "fifty-five trillion, five hundred fifty-five billion, fifty million, five hundred fifty-five thousand, fifty-six".