50565000612 has 144 divisors (see below), whose sum is σ = 141852480000. Its totient is φ = 13963622400.

The previous prime is 50565000589. The next prime is 50565000613. The reversal of 50565000612 is 21600056505.

It is a self number, because there is not a number n which added to its sum of digits gives 50565000612.

It is not an unprimeable number, because it can be changed into a prime (50565000613) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 22765662 + ... + 22767882.

Almost surely, 2^50565000612 is an apocalyptic number.

50565000612 is the 183603-rd pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50565000612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70926240000).

50565000612 is an abundant number, since it is smaller than the sum of its proper divisors (91287479388).

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

50565000612 is a wasteful number, since it uses less digits than its factorization.

50565000612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522 (or 3513 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 50565000612 in words is "fifty billion, five hundred sixty-five million, six hundred twelve", and thus it is an aban number.