57031049 has 2 divisors, whose sum is σ = 57031050. Its totient is φ = 57031048.

The previous prime is 57031019. The next prime is 57031057. The reversal of 57031049 is 94013075.

57031049 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., 54760000 + 2271049 = 7400^2 + 1507^2 .

It is a cyclic number.

It is not a de Polignac number, because 57031049 - 2²⁰ = 55982473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (57031019) 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, 28515524 + 28515525.

It is an arithmetic number, because the mean of its divisors is an integer number (28515525).

Almost surely, 2^57031049 is an apocalyptic number.

It is an amenable number.

57031049 is a deficient number, since it is larger than the sum of its proper divisors (1).

57031049 is an equidigital number, since it uses as much as digits as its factorization.

57031049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 57031049 is about 7551.8904255822. The cubic root of 57031049 is about 384.9199788713.

The spelling of 57031049 in words is "fifty-seven million, thirty-one thousand, forty-nine".