57523057 has 2 divisors, whose sum is σ = 57523058. Its totient is φ = 57523056.

The previous prime is 57522991. The next prime is 57523079. The reversal of 57523057 is 75032575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48944016 + 8579041 = 6996^2 + 2929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57523057 is a prime.

It is not a weakly prime, because it can be changed into another prime (57523357) 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, 28761528 + 28761529.

It is an arithmetic number, because the mean of its divisors is an integer number (28761529).

Almost surely, 2^57523057 is an apocalyptic number.

It is an amenable number.

57523057 is a deficient number, since it is larger than the sum of its proper divisors (1).

57523057 is an equidigital number, since it uses as much as digits as its factorization.

57523057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36750, while the sum is 34.

The square root of 57523057 is about 7584.3956252295. The cubic root of 57523057 is about 386.0237150633.

It can be divided in two parts, 575 and 23057, that added together give a palindrome (23632).

The spelling of 57523057 in words is "fifty-seven million, five hundred twenty-three thousand, fifty-seven".