57048109 has 2 divisors, whose sum is σ = 57048110. Its totient is φ = 57048108.

The previous prime is 57048059. The next prime is 57048137. The reversal of 57048109 is 90184075.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50722884 + 6325225 = 7122^2 + 2515^2 .

It is a cyclic number.

It is not a de Polignac number, because 57048109 - 2¹⁹ = 56523821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57048149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28524054 + 28524055.

It is an arithmetic number, because the mean of its divisors is an integer number (28524055).

Almost surely, 2^57048109 is an apocalyptic number.

It is an amenable number.

57048109 is a deficient number, since it is larger than the sum of its proper divisors (1).

57048109 is an equidigital number, since it uses as much as digits as its factorization.

57048109 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 34.

The square root of 57048109 is about 7553.0198596323. The cubic root of 57048109 is about 384.9583560961.

The spelling of 57048109 in words is "fifty-seven million, forty-eight thousand, one hundred nine".