57260549 has 2 divisors, whose sum is σ = 57260550. Its totient is φ = 57260548.

The previous prime is 57260531. The next prime is 57260557. The reversal of 57260549 is 94506275.

It is a happy number.

57260549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48302500 + 8958049 = 6950^2 + 2993^2 .

It is a cyclic number.

It is not a de Polignac number, because 57260549 - 2²⁰ = 56211973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57250549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28630274 + 28630275.

It is an arithmetic number, because the mean of its divisors is an integer number (28630275).

Almost surely, 2^57260549 is an apocalyptic number.

It is an amenable number.

57260549 is a deficient number, since it is larger than the sum of its proper divisors (1).

57260549 is an equidigital number, since it uses as much as digits as its factorization.

57260549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 57260549 is about 7567.0700406432. The cubic root of 57260549 is about 385.4356097135.

The spelling of 57260549 in words is "fifty-seven million, two hundred sixty thousand, five hundred forty-nine".