57641911 has 2 divisors, whose sum is σ = 57641912. Its totient is φ = 57641910.

The previous prime is 57641897. The next prime is 57641939. The reversal of 57641911 is 11914675.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57641911 - 2¹⁵ = 57609143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57641981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28820955 + 28820956.

It is an arithmetic number, because the mean of its divisors is an integer number (28820956).

Almost surely, 2^57641911 is an apocalyptic number.

57641911 is a deficient number, since it is larger than the sum of its proper divisors (1).

57641911 is an equidigital number, since it uses as much as digits as its factorization.

57641911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 34.

The square root of 57641911 is about 7592.2270118852. The cubic root of 57641911 is about 386.2893992479.

The spelling of 57641911 in words is "fifty-seven million, six hundred forty-one thousand, nine hundred eleven".