57828227 has 2 divisors, whose sum is σ = 57828228. Its totient is φ = 57828226.

The previous prime is 57828209. The next prime is 57828269. The reversal of 57828227 is 72282875.

It is a happy number.

57828227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57828227 - 2¹² = 57824131 is a prime.

It is not a weakly prime, because it can be changed into another prime (57828527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28914113 + 28914114.

It is an arithmetic number, because the mean of its divisors is an integer number (28914114).

Almost surely, 2^57828227 is an apocalyptic number.

57828227 is a deficient number, since it is larger than the sum of its proper divisors (1).

57828227 is an equidigital number, since it uses as much as digits as its factorization.

57828227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125440, while the sum is 41.

The square root of 57828227 is about 7604.4872936971. The cubic root of 57828227 is about 386.7051528115.

The spelling of 57828227 in words is "fifty-seven million, eight hundred twenty-eight thousand, two hundred twenty-seven".