50145330432 has 144 divisors (see below), whose sum is σ = 134750127680. Its totient is φ = 16554295296.

The previous prime is 50145330419. The next prime is 50145330439. The reversal of 50145330432 is 23403354105.

It is a self number, because there is not a number n which added to its sum of digits gives 50145330432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50145330439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49697544 + ... + 49698552.

Almost surely, 2^50145330432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50145330432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67375063840).

50145330432 is an abundant number, since it is smaller than the sum of its proper divisors (84604797248).

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

50145330432 is a wasteful number, since it uses less digits than its factorization.

50145330432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1574 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 50145330432 its reverse (23403354105), we get a palindrome (73548684537).

The spelling of 50145330432 in words is "fifty billion, one hundred forty-five million, three hundred thirty thousand, four hundred thirty-two".