50969666 has 16 divisors (see below), whose sum is σ = 87795360. Its totient is φ = 21948480.

The previous prime is 50969657. The next prime is 50969669. The reversal of 50969666 is 66696905.

It is a happy number.

It is a super-3 number, since 3×50969666³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50969666.

It is not an unprimeable number, because it can be changed into a prime (50969669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60551 + ... + 61386.

It is an arithmetic number, because the mean of its divisors is an integer number (5487210).

Almost surely, 2^50969666 is an apocalyptic number.

50969666 is a deficient number, since it is larger than the sum of its proper divisors (36825694).

50969666 is a wasteful number, since it uses less digits than its factorization.

50969666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121969.

The product of its (nonzero) digits is 524880, while the sum is 47.

The square root of 50969666 is about 7139.3043078440. The cubic root of 50969666 is about 370.7694384830.

The spelling of 50969666 in words is "fifty million, nine hundred sixty-nine thousand, six hundred sixty-six".