57906161 has 2 divisors, whose sum is σ = 57906162. Its totient is φ = 57906160.

The previous prime is 57906137. The next prime is 57906169. The reversal of 57906161 is 16160975.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37149025 + 20757136 = 6095^2 + 4556^2 .

It is a cyclic number.

It is not a de Polignac number, because 57906161 - 2¹⁸ = 57644017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57906169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28953080 + 28953081.

It is an arithmetic number, because the mean of its divisors is an integer number (28953081).

Almost surely, 2^57906161 is an apocalyptic number.

It is an amenable number.

57906161 is a deficient number, since it is larger than the sum of its proper divisors (1).

57906161 is an equidigital number, since it uses as much as digits as its factorization.

57906161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 57906161 is about 7609.6097797456. The cubic root of 57906161 is about 386.8787932203.

The spelling of 57906161 in words is "fifty-seven million, nine hundred six thousand, one hundred sixty-one".