55555050056 has 16 divisors (see below), whose sum is σ = 113635329840. Its totient is φ = 25252295440.

The previous prime is 55555050029. The next prime is 55555050073. The reversal of 55555050056 is 65005055555.

It is a junction number, because it is equal to n+sod(n) for n = 55555049995 and 55555050022.

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 3 ways as a sum of consecutive naturals, for example, 315653606 + ... + 315653781.

It is an arithmetic number, because the mean of its divisors is an integer number (7102208115).

Almost surely, 2^55555050056 is an apocalyptic number.

It is an amenable number.

55555050056 is an abundant number, since it is smaller than the sum of its proper divisors (58080279784).

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

55555050056 is a wasteful number, since it uses less digits than its factorization.

55555050056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631307404 (or 631307400 counting only the distinct ones).

The product of its (nonzero) digits is 468750, while the sum is 41.

The spelling of 55555050056 in words is "fifty-five billion, five hundred fifty-five million, fifty thousand, fifty-six".