50420531991312 has 60 divisors (see below), whose sum is σ = 161265669784960. Its totient is φ = 14405866282944.

The previous prime is 50420531991259. The next prime is 50420531991337. The reversal of 50420531991312 is 21319913502405.

50420531991312 is a `hidden beast` number, since 5 + 0 + 4 + 2 + 0 + 531 + 99 + 13 + 12 = 666.

50420531991312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25010183512 + ... + 25010185527.

Almost surely, 2^{50420531991312} is an apocalyptic number.

It is an amenable number.

50420531991312 is an abundant number, since it is smaller than the sum of its proper divisors (110845137793648).

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

50420531991312 is a wasteful number, since it uses less digits than its factorization.

50420531991312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50020369060 (or 50020369051 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 50420531991312 in words is "fifty trillion, four hundred twenty billion, five hundred thirty-one million, nine hundred ninety-one thousand, three hundred twelve".