50561211140 has 48 divisors (see below), whose sum is σ = 118961728704. Its totient is φ = 17888976000.

The previous prime is 50561211133. The next prime is 50561211143. The reversal of 50561211140 is 4111216505.

It is not an unprimeable number, because it can be changed into a prime (50561211143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3097586 + ... + 3113865.

It is an arithmetic number, because the mean of its divisors is an integer number (2478369348).

Almost surely, 2^50561211140 is an apocalyptic number.

It is an amenable number.

50561211140 is an abundant number, since it is smaller than the sum of its proper divisors (68400517564).

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

50561211140 is a wasteful number, since it uses less digits than its factorization.

50561211140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211508 (or 6211506 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 50561211140 its reverse (4111216505), we get a palindrome (54672427645).

The spelling of 50561211140 in words is "fifty billion, five hundred sixty-one million, two hundred eleven thousand, one hundred forty".