50166665 has 16 divisors (see below), whose sum is σ = 62899200. Its totient is φ = 38361792.

The previous prime is 50166653. The next prime is 50166679. The reversal of 50166665 is 56666105.

It is a cyclic number.

It is not a de Polignac number, because 50166665 - 2⁶ = 50166601 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13256 + ... + 16614.

It is an arithmetic number, because the mean of its divisors is an integer number (3931200).

Almost surely, 2^50166665 is an apocalyptic number.

It is an amenable number.

50166665 is a deficient number, since it is larger than the sum of its proper divisors (12732535).

50166665 is a wasteful number, since it uses less digits than its factorization.

50166665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 50166665 is about 7082.8430026367. The cubic root of 50166665 is about 368.8120286346.

The spelling of 50166665 in words is "fifty million, one hundred sixty-six thousand, six hundred sixty-five".