50021197807718 has 16 divisors (see below), whose sum is σ = 79456094599824. Its totient is φ = 23536227859200.

The previous prime is 50021197807717. The next prime is 50021197807729. The reversal of 50021197807718 is 81770879112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50021197807717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98472455 + ... + 98979122.

It is an arithmetic number, because the mean of its divisors is an integer number (4966005912489).

Almost surely, 2^{50021197807718} is an apocalyptic number.

50021197807718 is a deficient number, since it is larger than the sum of its proper divisors (29434896792106).

50021197807718 is a wasteful number, since it uses less digits than its factorization.

50021197807718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197459047.

The product of its (nonzero) digits is 1975680, while the sum is 56.

The spelling of 50021197807718 in words is "fifty trillion, twenty-one billion, one hundred ninety-seven million, eight hundred seven thousand, seven hundred eighteen".