50664417 has 4 divisors (see below), whose sum is σ = 67552560. Its totient is φ = 33776276.

The previous prime is 50664413. The next prime is 50664443. The reversal of 50664417 is 71446605.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50664417 - 2² = 50664413 is a prime.

It is a super-4 number, since 4×50664417⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (50664413) 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 3 ways as a sum of consecutive naturals, for example, 8444067 + ... + 8444072.

It is an arithmetic number, because the mean of its divisors is an integer number (16888140).

Almost surely, 2^50664417 is an apocalyptic number.

It is an amenable number.

50664417 is a deficient number, since it is larger than the sum of its proper divisors (16888143).

50664417 is a wasteful number, since it uses less digits than its factorization.

50664417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16888142.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 50664417 is about 7117.8941408256. The cubic root of 50664417 is about 370.0277967916.

The spelling of 50664417 in words is "fifty million, six hundred sixty-four thousand, four hundred seventeen".