5057666 has 4 divisors (see below), whose sum is σ = 7586502. Its totient is φ = 2528832.

The previous prime is 5057651. The next prime is 5057669. The reversal of 5057666 is 6667505.

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

It can be written as a sum of positive squares in only one way, i.e., 3783025 + 1274641 = 1945^2 + 1129^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5057669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264415 + ... + 1264418.

Almost surely, 2^5057666 is an apocalyptic number.

5057666 is a deficient number, since it is larger than the sum of its proper divisors (2528836).

5057666 is a wasteful number, since it uses less digits than its factorization.

5057666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528835.

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

The square root of 5057666 is about 2248.9255212212. The cubic root of 5057666 is about 171.6524666463.

The spelling of 5057666 in words is "five million, fifty-seven thousand, six hundred sixty-six".