57528049 has 2 divisors, whose sum is σ = 57528050. Its totient is φ = 57528048.

The previous prime is 57528041. The next prime is 57528059. The reversal of 57528049 is 94082575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42667024 + 14861025 = 6532^2 + 3855^2 .

It is a cyclic number.

It is not a de Polignac number, because 57528049 - 2³ = 57528041 is a prime.

It is not a weakly prime, because it can be changed into another prime (57528041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28764024 + 28764025.

It is an arithmetic number, because the mean of its divisors is an integer number (28764025).

Almost surely, 2^57528049 is an apocalyptic number.

It is an amenable number.

57528049 is a deficient number, since it is larger than the sum of its proper divisors (1).

57528049 is an equidigital number, since it uses as much as digits as its factorization.

57528049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 57528049 is about 7584.7247148463. The cubic root of 57528049 is about 386.0348814532.

The spelling of 57528049 in words is "fifty-seven million, five hundred twenty-eight thousand, forty-nine".