57408227 has 2 divisors, whose sum is σ = 57408228. Its totient is φ = 57408226.

The previous prime is 57408217. The next prime is 57408233. The reversal of 57408227 is 72280475.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57408227 - 2⁶ = 57408163 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57408217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28704113 + 28704114.

It is an arithmetic number, because the mean of its divisors is an integer number (28704114).

Almost surely, 2^57408227 is an apocalyptic number.

57408227 is a deficient number, since it is larger than the sum of its proper divisors (1).

57408227 is an equidigital number, since it uses as much as digits as its factorization.

57408227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 57408227 is about 7576.8216951437. The cubic root of 57408227 is about 385.7666782381.

The spelling of 57408227 in words is "fifty-seven million, four hundred eight thousand, two hundred twenty-seven".