57641537 has 2 divisors, whose sum is σ = 57641538. Its totient is φ = 57641536.

The previous prime is 57641513. The next prime is 57641557. The reversal of 57641537 is 73514675.

57641537 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., 29931841 + 27709696 = 5471^2 + 5264^2 .

It is a cyclic number.

It is not a de Polignac number, because 57641537 - 2⁸ = 57641281 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57641537.

It is not a weakly prime, because it can be changed into another prime (57641557) 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, 28820768 + 28820769.

It is an arithmetic number, because the mean of its divisors is an integer number (28820769).

Almost surely, 2^57641537 is an apocalyptic number.

It is an amenable number.

57641537 is a deficient number, since it is larger than the sum of its proper divisors (1).

57641537 is an equidigital number, since it uses as much as digits as its factorization.

57641537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88200, while the sum is 38.

The square root of 57641537 is about 7592.2023813911. The cubic root of 57641537 is about 386.2885637878.

The spelling of 57641537 in words is "fifty-seven million, six hundred forty-one thousand, five hundred thirty-seven".