50550550872 has 32 divisors (see below), whose sum is σ = 133810282800. Its totient is φ = 15858996224.

The previous prime is 50550550849. The next prime is 50550550873. The reversal of 50550550872 is 27805505505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50550550873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61948797 + ... + 61949612.

Almost surely, 2^50550550872 is an apocalyptic number.

It is an amenable number.

50550550872 is an abundant number, since it is smaller than the sum of its proper divisors (83259731928).

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

50550550872 is a wasteful number, since it uses less digits than its factorization.

50550550872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123898435 (or 123898431 counting only the distinct ones).

The product of its (nonzero) digits is 350000, while the sum is 42.

The spelling of 50550550872 in words is "fifty billion, five hundred fifty million, five hundred fifty thousand, eight hundred seventy-two".