57660851 has 2 divisors, whose sum is σ = 57660852. Its totient is φ = 57660850.

The previous prime is 57660833. The next prime is 57660853. The reversal of 57660851 is 15806675.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57660851 is a prime.

Together with 57660853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57660853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28830425 + 28830426.

It is an arithmetic number, because the mean of its divisors is an integer number (28830426).

Almost surely, 2^57660851 is an apocalyptic number.

57660851 is a deficient number, since it is larger than the sum of its proper divisors (1).

57660851 is an equidigital number, since it uses as much as digits as its factorization.

57660851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 57660851 is about 7593.4742377913. The cubic root of 57660851 is about 386.3317036517.

The spelling of 57660851 in words is "fifty-seven million, six hundred sixty thousand, eight hundred fifty-one".