50803597728 has 144 divisors (see below), whose sum is σ = 156000892320. Its totient is φ = 15590195712.

The previous prime is 50803597727. The next prime is 50803597763. The reversal of 50803597728 is 82779530805.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (50803597721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1401075 + ... + 1436877.

It is an arithmetic number, because the mean of its divisors is an integer number (1083339530).

Almost surely, 2^50803597728 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 50803597728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78000446160).

50803597728 is an abundant number, since it is smaller than the sum of its proper divisors (105197294592).

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

50803597728 is a wasteful number, since it uses less digits than its factorization.

50803597728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36211 (or 36200 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 50803597728 in words is "fifty billion, eight hundred three million, five hundred ninety-seven thousand, seven hundred twenty-eight".