50021781523040 has 96 divisors (see below), whose sum is σ = 118242217358496. Its totient is φ = 19997582417920.

The previous prime is 50021781523027. The next prime is 50021781523057. The reversal of 50021781523040 is 4032518712005.

It is a junction number, because it is equal to n+sod(n) for n = 50021781522985 and 50021781523003.

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, 2578033979 + ... + 2578053381.

It is an arithmetic number, because the mean of its divisors is an integer number (1231689764151).

Almost surely, 2^{50021781523040} is an apocalyptic number.

It is an amenable number.

50021781523040 is an abundant number, since it is smaller than the sum of its proper divisors (68220435835456).

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

50021781523040 is a wasteful number, since it uses less digits than its factorization.

50021781523040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27552 (or 27544 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 50021781523040 in words is "fifty trillion, twenty-one billion, seven hundred eighty-one million, five hundred twenty-three thousand, forty".