57380789 has 2 divisors, whose sum is σ = 57380790. Its totient is φ = 57380788.

The previous prime is 57380773. The next prime is 57380819. The reversal of 57380789 is 98708375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39250225 + 18130564 = 6265^2 + 4258^2 .

It is a cyclic number.

It is not a de Polignac number, because 57380789 - 2⁴ = 57380773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57380989) 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, 28690394 + 28690395.

It is an arithmetic number, because the mean of its divisors is an integer number (28690395).

Almost surely, 2^57380789 is an apocalyptic number.

It is an amenable number.

57380789 is a deficient number, since it is larger than the sum of its proper divisors (1).

57380789 is an equidigital number, since it uses as much as digits as its factorization.

57380789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 57380789 is about 7575.0108250748. The cubic root of 57380789 is about 385.7052099700.

The spelling of 57380789 in words is "fifty-seven million, three hundred eighty thousand, seven hundred eighty-nine".