57367789 has 2 divisors, whose sum is σ = 57367790. Its totient is φ = 57367788.

The previous prime is 57367759. The next prime is 57367801. The reversal of 57367789 is 98776375.

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., 33524100 + 23843689 = 5790^2 + 4883^2 .

It is a cyclic number.

It is not a de Polignac number, because 57367789 - 2⁵ = 57367757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57367759) 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, 28683894 + 28683895.

It is an arithmetic number, because the mean of its divisors is an integer number (28683895).

Almost surely, 2^57367789 is an apocalyptic number.

It is an amenable number.

57367789 is a deficient number, since it is larger than the sum of its proper divisors (1).

57367789 is an equidigital number, since it uses as much as digits as its factorization.

57367789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2222640, while the sum is 52.

The square root of 57367789 is about 7574.1526918857. The cubic root of 57367789 is about 385.6760797418.

The spelling of 57367789 in words is "fifty-seven million, three hundred sixty-seven thousand, seven hundred eighty-nine".