50566566651 has 8 divisors (see below), whose sum is σ = 67485519360. Its totient is φ = 33679329192.

The previous prime is 50566566647. The next prime is 50566566653. The reversal of 50566566651 is 15666566505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50566566651 - 2² = 50566566647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50566566594 and 50566566603.

It is not an unprimeable number, because it can be changed into a prime (50566566653) 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 7 ways as a sum of consecutive naturals, for example, 7925091 + ... + 7931468.

It is an arithmetic number, because the mean of its divisors is an integer number (8435689920).

Almost surely, 2^50566566651 is an apocalyptic number.

50566566651 is a deficient number, since it is larger than the sum of its proper divisors (16918952709).

50566566651 is a wasteful number, since it uses less digits than its factorization.

50566566651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15857625.

The product of its (nonzero) digits is 4860000, while the sum is 51.

The spelling of 50566566651 in words is "fifty billion, five hundred sixty-six million, five hundred sixty-six thousand, six hundred fifty-one".