57548137 has 2 divisors, whose sum is σ = 57548138. Its totient is φ = 57548136.

The previous prime is 57548129. The next prime is 57548143. The reversal of 57548137 is 73184575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53934336 + 3613801 = 7344^2 + 1901^2 .

It is a cyclic number.

It is not a de Polignac number, because 57548137 - 2³ = 57548129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57548137.

It is not a weakly prime, because it can be changed into another prime (57548107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28774068 + 28774069.

It is an arithmetic number, because the mean of its divisors is an integer number (28774069).

Almost surely, 2^57548137 is an apocalyptic number.

It is an amenable number.

57548137 is a deficient number, since it is larger than the sum of its proper divisors (1).

57548137 is an equidigital number, since it uses as much as digits as its factorization.

57548137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 40.

The square root of 57548137 is about 7586.0488398111. The cubic root of 57548137 is about 386.0798089069.

The spelling of 57548137 in words is "fifty-seven million, five hundred forty-eight thousand, one hundred thirty-seven".