57642203 has 2 divisors, whose sum is σ = 57642204. Its totient is φ = 57642202.

The previous prime is 57642197. The next prime is 57642251. The reversal of 57642203 is 30224675.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57642203 - 2¹⁶ = 57576667 is a prime.

It is not a weakly prime, because it can be changed into another prime (57642293) 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, 28821101 + 28821102.

It is an arithmetic number, because the mean of its divisors is an integer number (28821102).

Almost surely, 2^57642203 is an apocalyptic number.

57642203 is a deficient number, since it is larger than the sum of its proper divisors (1).

57642203 is an equidigital number, since it uses as much as digits as its factorization.

57642203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 57642203 is about 7592.2462420551. The cubic root of 57642203 is about 386.2900515298.

Adding to 57642203 its reverse (30224675), we get a palindrome (87866878).

The spelling of 57642203 in words is "fifty-seven million, six hundred forty-two thousand, two hundred three".