50566161 has 24 divisors (see below), whose sum is σ = 71235712. Its totient is φ = 31881600.

The previous prime is 50566141. The next prime is 50566171. The reversal of 50566161 is 16166505.

It is not a de Polignac number, because 50566161 - 2⁹ = 50565649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50566141) 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, 186456 + ... + 186726.

Almost surely, 2^50566161 is an apocalyptic number.

It is an amenable number.

50566161 is a deficient number, since it is larger than the sum of its proper divisors (20669551).

50566161 is a wasteful number, since it uses less digits than its factorization.

50566161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 50566161 is about 7110.9887498153. The cubic root of 50566161 is about 369.7884376123.

It can be divided in two parts, 505 and 66161, that added together give a palindrome (66666).

The spelling of 50566161 in words is "fifty million, five hundred sixty-six thousand, one hundred sixty-one".