50797947393 has 12 divisors (see below), whose sum is σ = 76092398928. Its totient is φ = 33865298100.

The previous prime is 50797947371. The next prime is 50797947427. The reversal of 50797947393 is 39374979705.

50797947393 is a `hidden beast` number, since 5 + 0 + 7 + 9 + 79 + 473 + 93 = 666.

It is not a de Polignac number, because 50797947393 - 2¹³ = 50797939201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50797947393.

It is not an unprimeable number, because it can be changed into a prime (50797947293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104522283 + ... + 104522768.

It is an arithmetic number, because the mean of its divisors is an integer number (6341033244).

Almost surely, 2^50797947393 is an apocalyptic number.

It is an amenable number.

50797947393 is a deficient number, since it is larger than the sum of its proper divisors (25294451535).

50797947393 is an equidigital number, since it uses as much as digits as its factorization.

50797947393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209045066 (or 209045054 counting only the distinct ones).

The product of its (nonzero) digits is 45008460, while the sum is 63.

Adding to 50797947393 its sum of digits (63), we get a square (50797947456 = 225384²).

The spelling of 50797947393 in words is "fifty billion, seven hundred ninety-seven million, nine hundred forty-seven thousand, three hundred ninety-three".