50143505220 has 60 divisors (see below), whose sum is σ = 157302038124. Its totient is φ = 13371600960.

The previous prime is 50143505213. The next prime is 50143505267. The reversal of 50143505220 is 2250534105.

It is a happy number.

50143505220 is a `hidden beast` number, since 5 + 0 + 1 + 435 + 0 + 5 + 220 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24732594756 + 25410910464 = 157266^2 + 159408^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×50143505220² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 19 ways as a sum of consecutive naturals, for example, 15474771 + ... + 15478010.

Almost surely, 2^50143505220 is an apocalyptic number.

It is an amenable number.

50143505220 is an abundant number, since it is smaller than the sum of its proper divisors (107158532904).

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

50143505220 is a wasteful number, since it uses less digits than its factorization.

50143505220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30952802 (or 30952791 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 50143505220 in words is "fifty billion, one hundred forty-three million, five hundred five thousand, two hundred twenty".