57530489 has 2 divisors, whose sum is σ = 57530490. Its totient is φ = 57530488.

The previous prime is 57530483. The next prime is 57530507. The reversal of 57530489 is 98403575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50197225 + 7333264 = 7085^2 + 2708^2 .

It is a cyclic number.

It is not a de Polignac number, because 57530489 - 2¹² = 57526393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57530483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28765244 + 28765245.

It is an arithmetic number, because the mean of its divisors is an integer number (28765245).

Almost surely, 2^57530489 is an apocalyptic number.

It is an amenable number.

57530489 is a deficient number, since it is larger than the sum of its proper divisors (1).

57530489 is an equidigital number, since it uses as much as digits as its factorization.

57530489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 57530489 is about 7584.8855627491. The cubic root of 57530489 is about 386.0403391491.

The spelling of 57530489 in words is "fifty-seven million, five hundred thirty thousand, four hundred eighty-nine".