50778205401568 has 24 divisors (see below), whose sum is σ = 101339038353168. Its totient is φ = 25041306772224.

The previous prime is 50778205401509. The next prime is 50778205401569. The reversal of 50778205401568 is 86510450287705.

50778205401568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×50778205401568² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50778205401569) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10868620396 + ... + 10868625067.

It is an arithmetic number, because the mean of its divisors is an integer number (4222459931382).

Almost surely, 2^{50778205401568} is an apocalyptic number.

It is an amenable number.

50778205401568 is a deficient number, since it is larger than the sum of its proper divisors (50560832951600).

50778205401568 is a wasteful number, since it uses less digits than its factorization.

50778205401568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21737245546 (or 21737245538 counting only the distinct ones).

The product of its (nonzero) digits is 18816000, while the sum is 58.

The spelling of 50778205401568 in words is "fifty trillion, seven hundred seventy-eight billion, two hundred five million, four hundred one thousand, five hundred sixty-eight".