57428652227 has 2 divisors, whose sum is σ = 57428652228. Its totient is φ = 57428652226.

The previous prime is 57428652209. The next prime is 57428652277. The reversal of 57428652227 is 72225682475.

It is a happy number.

57428652227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (57428652277) can be obtained adding 57428652227 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57428652227 - 2⁶ = 57428652163 is a prime.

It is not a weakly prime, because it can be changed into another prime (57428652277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28714326113 + 28714326114.

It is an arithmetic number, because the mean of its divisors is an integer number (28714326114).

Almost surely, 2^57428652227 is an apocalyptic number.

57428652227 is a deficient number, since it is larger than the sum of its proper divisors (1).

57428652227 is an equidigital number, since it uses as much as digits as its factorization.

57428652227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3763200, while the sum is 50.

The spelling of 57428652227 in words is "fifty-seven billion, four hundred twenty-eight million, six hundred fifty-two thousand, two hundred twenty-seven".