50561161152 has 112 divisors (see below), whose sum is σ = 135417714432. Its totient is φ = 16647966720.

The previous prime is 50561161141. The next prime is 50561161247. The reversal of 50561161152 is 25116116505.

50561161152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6656877 + ... + 6664467.

It is an arithmetic number, because the mean of its divisors is an integer number (1209086736).

Almost surely, 2^50561161152 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 50561161152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67708857216).

50561161152 is an abundant number, since it is smaller than the sum of its proper divisors (84856553280).

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

50561161152 is a wasteful number, since it uses less digits than its factorization.

50561161152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8026 (or 8016 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 33.

Adding to 50561161152 its reverse (25116116505), we get a palindrome (75677277657).

The spelling of 50561161152 in words is "fifty billion, five hundred sixty-one million, one hundred sixty-one thousand, one hundred fifty-two".