57393953 has 2 divisors, whose sum is σ = 57393954. Its totient is φ = 57393952.

The previous prime is 57393913. The next prime is 57393971. The reversal of 57393953 is 35939375.

57393953 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., 51595489 + 5798464 = 7183^2 + 2408^2 .

It is a cyclic number.

It is not a de Polignac number, because 57393953 - 2¹⁴ = 57377569 is a prime.

It is not a weakly prime, because it can be changed into another prime (57393913) 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, 28696976 + 28696977.

It is an arithmetic number, because the mean of its divisors is an integer number (28696977).

Almost surely, 2^57393953 is an apocalyptic number.

It is an amenable number.

57393953 is a deficient number, since it is larger than the sum of its proper divisors (1).

57393953 is an equidigital number, since it uses as much as digits as its factorization.

57393953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 382725, while the sum is 44.

The square root of 57393953 is about 7575.8796848947. The cubic root of 57393953 is about 385.7347032043.

The spelling of 57393953 in words is "fifty-seven million, three hundred ninety-three thousand, nine hundred fifty-three".