57540653 has 2 divisors, whose sum is σ = 57540654. Its totient is φ = 57540652.

The previous prime is 57540599. The next prime is 57540689. The reversal of 57540653 is 35604575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42276004 + 15264649 = 6502^2 + 3907^2 .

It is a cyclic number.

It is not a de Polignac number, because 57540653 - 2⁸ = 57540397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57540953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28770326 + 28770327.

It is an arithmetic number, because the mean of its divisors is an integer number (28770327).

Almost surely, 2^57540653 is an apocalyptic number.

It is an amenable number.

57540653 is a deficient number, since it is larger than the sum of its proper divisors (1).

57540653 is an equidigital number, since it uses as much as digits as its factorization.

57540653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 57540653 is about 7585.5555498592. Note that the first 4 decimals coincide. The cubic root of 57540653 is about 386.0630719240.

The spelling of 57540653 in words is "fifty-seven million, five hundred forty thousand, six hundred fifty-three".