50015660666556 has 96 divisors (see below), whose sum is σ = 133075370631168. Its totient is φ = 14483952368640.

The previous prime is 50015660666549. The next prime is 50015660666557. The reversal of 50015660666556 is 65566606651005.

It is a super-2 number, since 2×50015660666556² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50015660666496 and 50015660666505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50015660666557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268244121 + ... + 268430511.

It is an arithmetic number, because the mean of its divisors is an integer number (1386201777408).

Almost surely, 2^{50015660666556} is an apocalyptic number.

It is an amenable number.

50015660666556 is an abundant number, since it is smaller than the sum of its proper divisors (83059709964612).

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

50015660666556 is a wasteful number, since it uses less digits than its factorization.

50015660666556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287611 (or 287609 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 57.

The spelling of 50015660666556 in words is "fifty trillion, fifteen billion, six hundred sixty million, six hundred sixty-six thousand, five hundred fifty-six".