57533293 has 2 divisors, whose sum is σ = 57533294. Its totient is φ = 57533292.

The previous prime is 57533263. The next prime is 57533317. The reversal of 57533293 is 39233575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53260804 + 4272489 = 7298^2 + 2067^2 .

It is a cyclic number.

It is not a de Polignac number, because 57533293 - 2¹³ = 57525101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57533213) 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, 28766646 + 28766647.

It is an arithmetic number, because the mean of its divisors is an integer number (28766647).

Almost surely, 2^57533293 is an apocalyptic number.

It is an amenable number.

57533293 is a deficient number, since it is larger than the sum of its proper divisors (1).

57533293 is an equidigital number, since it uses as much as digits as its factorization.

57533293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85050, while the sum is 37.

The square root of 57533293 is about 7585.0704017827. The cubic root of 57533293 is about 386.0466108353.

The spelling of 57533293 in words is "fifty-seven million, five hundred thirty-three thousand, two hundred ninety-three".