57234539 has 2 divisors, whose sum is σ = 57234540. Its totient is φ = 57234538.

The previous prime is 57234521. The next prime is 57234577. The reversal of 57234539 is 93543275.

It is an a-pointer prime, because the next prime (57234577) can be obtained adding 57234539 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57234539 - 2⁸ = 57234283 is a prime.

It is not a weakly prime, because it can be changed into another prime (57234509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28617269 + 28617270.

It is an arithmetic number, because the mean of its divisors is an integer number (28617270).

Almost surely, 2^57234539 is an apocalyptic number.

57234539 is a deficient number, since it is larger than the sum of its proper divisors (1).

57234539 is an equidigital number, since it uses as much as digits as its factorization.

57234539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 38.

The square root of 57234539 is about 7565.3512145835. The cubic root of 57234539 is about 385.3772408557.

The spelling of 57234539 in words is "fifty-seven million, two hundred thirty-four thousand, five hundred thirty-nine".