57494539 has 2 divisors, whose sum is σ = 57494540. Its totient is φ = 57494538.

The previous prime is 57494477. The next prime is 57494543. The reversal of 57494539 is 93549475.

It is a happy number.

57494539 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 is a cyclic number.

It is not a de Polignac number, because 57494539 - 2¹³ = 57486347 is a prime.

It is not a weakly prime, because it can be changed into another prime (57494579) 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, 28747269 + 28747270.

It is an arithmetic number, because the mean of its divisors is an integer number (28747270).

Almost surely, 2^57494539 is an apocalyptic number.

57494539 is a deficient number, since it is larger than the sum of its proper divisors (1).

57494539 is an equidigital number, since it uses as much as digits as its factorization.

57494539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 46.

The square root of 57494539 is about 7582.5153478249. The cubic root of 57494539 is about 385.9599119867.

The spelling of 57494539 in words is "fifty-seven million, four hundred ninety-four thousand, five hundred thirty-nine".