50564064321 has 32 divisors (see below), whose sum is σ = 76970611200. Its totient is φ = 32782838400.

The previous prime is 50564064293. The next prime is 50564064323. The reversal of 50564064321 is 12346046505.

50564064321 is a `hidden beast` number, since 5 + 0 + 5 + 6 + 4 + 0 + 643 + 2 + 1 = 666.

It is not a de Polignac number, because 50564064321 - 2¹⁹ = 50563540033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50564064323) 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 31 ways as a sum of consecutive naturals, for example, 2337885 + ... + 2359413.

It is an arithmetic number, because the mean of its divisors is an integer number (2405331600).

Almost surely, 2^50564064321 is an apocalyptic number.

It is an amenable number.

50564064321 is a deficient number, since it is larger than the sum of its proper divisors (26406546879).

50564064321 is a wasteful number, since it uses less digits than its factorization.

50564064321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23926 (or 23920 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 50564064321 in words is "fifty billion, five hundred sixty-four million, sixty-four thousand, three hundred twenty-one".