50155665056 has 24 divisors (see below), whose sum is σ = 112850246880. Its totient is φ = 21495284928.

The previous prime is 50155665011. The next prime is 50155665073. The reversal of 50155665056 is 65056655105.

It is a junction number, because it is equal to n+sod(n) for n = 50155664998 and 50155665016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111954386 + ... + 111954833.

It is an arithmetic number, because the mean of its divisors is an integer number (4702093620).

Almost surely, 2^50155665056 is an apocalyptic number.

50155665056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

50155665056 is an abundant number, since it is smaller than the sum of its proper divisors (62694581824).

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

50155665056 is a wasteful number, since it uses less digits than its factorization.

50155665056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223909236 (or 223909228 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 50155665056 in words is "fifty billion, one hundred fifty-five million, six hundred sixty-five thousand, fifty-six".