57855227 has 2 divisors, whose sum is σ = 57855228. Its totient is φ = 57855226.

The previous prime is 57855191. The next prime is 57855241. The reversal of 57855227 is 72255875.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57855227 - 2¹⁴ = 57838843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57855257) by changing a digit.

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 as a sum of consecutive naturals, namely, 28927613 + 28927614.

It is an arithmetic number, because the mean of its divisors is an integer number (28927614).

Almost surely, 2^57855227 is an apocalyptic number.

57855227 is a deficient number, since it is larger than the sum of its proper divisors (1).

57855227 is an equidigital number, since it uses as much as digits as its factorization.

57855227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 196000, while the sum is 41.

The square root of 57855227 is about 7606.2623541395. The cubic root of 57855227 is about 386.7653276610.

The spelling of 57855227 in words is "fifty-seven million, eight hundred fifty-five thousand, two hundred twenty-seven".