50143047136 has 384 divisors, whose sum is σ = 137168640000. Its totient is φ = 17459380224.

The previous prime is 50143047131. The next prime is 50143047169. The reversal of 50143047136 is 63174034105.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50143047131) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 83710965 + ... + 83711563.

It is an arithmetic number, because the mean of its divisors is an integer number (357210000).

Almost surely, 2^50143047136 is an apocalyptic number.

50143047136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50143047136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68584320000).

50143047136 is an abundant number, since it is smaller than the sum of its proper divisors (87025592864).

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

50143047136 is a wasteful number, since it uses less digits than its factorization.

50143047136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 50143047136 in words is "fifty billion, one hundred forty-three million, forty-seven thousand, one hundred thirty-six".