57095449 has 2 divisors, whose sum is σ = 57095450. Its totient is φ = 57095448.

The previous prime is 57095447. The next prime is 57095471. The reversal of 57095449 is 94459075.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57078025 + 17424 = 7555^2 + 132^2 .

It is a cyclic number.

It is not a de Polignac number, because 57095449 - 2¹ = 57095447 is a prime.

Together with 57095447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (57095447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28547724 + 28547725.

It is an arithmetic number, because the mean of its divisors is an integer number (28547725).

Almost surely, 2^57095449 is an apocalyptic number.

It is an amenable number.

57095449 is a deficient number, since it is larger than the sum of its proper divisors (1).

57095449 is an equidigital number, since it uses as much as digits as its factorization.

57095449 is an evil number, because the sum of its binary digits is even.

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

The square root of 57095449 is about 7556.1530556229. The cubic root of 57095449 is about 385.0648094640.

The spelling of 57095449 in words is "fifty-seven million, ninety-five thousand, four hundred forty-nine".