57220627 has 2 divisors, whose sum is σ = 57220628. Its totient is φ = 57220626.

The previous prime is 57220607. The next prime is 57220679. The reversal of 57220627 is 72602275.

57220627 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 57220627 - 2²³ = 48832019 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57220607) 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, 28610313 + 28610314.

It is an arithmetic number, because the mean of its divisors is an integer number (28610314).

Almost surely, 2^57220627 is an apocalyptic number.

57220627 is a deficient number, since it is larger than the sum of its proper divisors (1).

57220627 is an equidigital number, since it uses as much as digits as its factorization.

57220627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 57220627 is about 7564.4317037039. The cubic root of 57220627 is about 385.3460137754.

The spelling of 57220627 in words is "fifty-seven million, two hundred twenty thousand, six hundred twenty-seven".