57641659 has 2 divisors, whose sum is σ = 57641660. Its totient is φ = 57641658.

The previous prime is 57641653. The next prime is 57641669. The reversal of 57641659 is 95614675.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57641659 - 2⁵ = 57641627 is a prime.

It is not a weakly prime, because it can be changed into another prime (57641653) 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, 28820829 + 28820830.

It is an arithmetic number, because the mean of its divisors is an integer number (28820830).

Almost surely, 2^57641659 is an apocalyptic number.

57641659 is a deficient number, since it is larger than the sum of its proper divisors (1).

57641659 is an equidigital number, since it uses as much as digits as its factorization.

57641659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 43.

The square root of 57641659 is about 7592.2104159461. The cubic root of 57641659 is about 386.2888363180.

The spelling of 57641659 in words is "fifty-seven million, six hundred forty-one thousand, six hundred fifty-nine".