50965578131240 has 64 divisors (see below), whose sum is σ = 116554340826000. Its totient is φ = 20051701770240.

The previous prime is 50965578131203. The next prime is 50965578131269. The reversal of 50965578131240 is 4213187556905.

It can be written as a sum of positive squares in 8 ways, for example, as 34634943441316 + 16330634689924 = 5885146^2 + 4041118^2 .

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, 193382276 + ... + 193645644.

It is a 1-persistent number, because it is pandigital, but 2⋅50965578131240 = 101931156262480 is not.

Almost surely, 2^{50965578131240} is an apocalyptic number.

It is an amenable number.

50965578131240 is an abundant number, since it is smaller than the sum of its proper divisors (65588762694760).

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

50965578131240 is a wasteful number, since it uses less digits than its factorization.

50965578131240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342750 (or 342746 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 56.

The spelling of 50965578131240 in words is "fifty trillion, nine hundred sixty-five billion, five hundred seventy-eight million, one hundred thirty-one thousand, two hundred forty".