50323566564 has 72 divisors (see below), whose sum is σ = 128244442872. Its totient is φ = 16638151680.

The previous prime is 50323566563. The next prime is 50323566577. The reversal of 50323566564 is 46566532305.

50323566564 is a `hidden beast` number, since 5 + 0 + 3 + 23 + 5 + 66 + 564 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1419782400 + 48903784164 = 37680^2 + 221142^2 .

It is a super-2 number, since 2×50323566564² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50323566563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2687394 + ... + 2706054.

Almost surely, 2^50323566564 is an apocalyptic number.

It is an amenable number.

50323566564 is an abundant number, since it is smaller than the sum of its proper divisors (77920876308).

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

50323566564 is a wasteful number, since it uses less digits than its factorization.

50323566564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19277 (or 19272 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 45.

The spelling of 50323566564 in words is "fifty billion, three hundred twenty-three million, five hundred sixty-six thousand, five hundred sixty-four".