57431093 has 2 divisors, whose sum is σ = 57431094. Its totient is φ = 57431092.

The previous prime is 57431029. The next prime is 57431123. The reversal of 57431093 is 39013475.

It is a happy number.

57431093 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., 57410929 + 20164 = 7577^2 + 142^2 .

It is a cyclic number.

It is not a de Polignac number, because 57431093 - 2⁶ = 57431029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57431293) 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, 28715546 + 28715547.

It is an arithmetic number, because the mean of its divisors is an integer number (28715547).

Almost surely, 2^57431093 is an apocalyptic number.

It is an amenable number.

57431093 is a deficient number, since it is larger than the sum of its proper divisors (1).

57431093 is an equidigital number, since it uses as much as digits as its factorization.

57431093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 57431093 is about 7578.3304889666. The cubic root of 57431093 is about 385.8178890746.

The spelling of 57431093 in words is "fifty-seven million, four hundred thirty-one thousand, ninety-three".