50666057 has 4 divisors (see below), whose sum is σ = 54563460. Its totient is φ = 46768656.

The previous prime is 50666041. The next prime is 50666071. The reversal of 50666057 is 75066605.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26173456 + 24492601 = 5116^2 + 4949^2 .

It is a cyclic number.

It is not a de Polignac number, because 50666057 - 2⁴ = 50666041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50666017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948682 + ... + 1948707.

It is an arithmetic number, because the mean of its divisors is an integer number (13640865).

Almost surely, 2^50666057 is an apocalyptic number.

It is an amenable number.

50666057 is a deficient number, since it is larger than the sum of its proper divisors (3897403).

50666057 is a wasteful number, since it uses less digits than its factorization.

50666057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897402.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 50666057 is about 7118.0093425058. The cubic root of 50666057 is about 370.0317893310.

The spelling of 50666057 in words is "fifty million, six hundred sixty-six thousand, fifty-seven".