51517166 has 16 divisors (see below), whose sum is σ = 81453600. Its totient is φ = 24399648.

The previous prime is 51517163. The next prime is 51517177. The reversal of 51517166 is 66171515.

51517166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51517163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5306 + ... + 11453.

It is an arithmetic number, because the mean of its divisors is an integer number (5090850).

Almost surely, 2^51517166 is an apocalyptic number.

51517166 is a deficient number, since it is larger than the sum of its proper divisors (29936434).

51517166 is a wasteful number, since it uses less digits than its factorization.

51517166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16843.

The product of its digits is 6300, while the sum is 32.

The square root of 51517166 is about 7177.5459594488. The cubic root of 51517166 is about 372.0922758331.

The spelling of 51517166 in words is "fifty-one million, five hundred seventeen thousand, one hundred sixty-six".