57089497 has 2 divisors, whose sum is σ = 57089498. Its totient is φ = 57089496.

The previous prime is 57089491. The next prime is 57089503. The reversal of 57089497 is 79498075.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (57089491) and next prime (57089503).

It can be written as a sum of positive squares in only one way, i.e., 37896336 + 19193161 = 6156^2 + 4381^2 .

It is a cyclic number.

It is not a de Polignac number, because 57089497 - 2³ = 57089489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57089497.

It is not a weakly prime, because it can be changed into another prime (57089491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28544748 + 28544749.

It is an arithmetic number, because the mean of its divisors is an integer number (28544749).

Almost surely, 2^57089497 is an apocalyptic number.

It is an amenable number.

57089497 is a deficient number, since it is larger than the sum of its proper divisors (1).

57089497 is an equidigital number, since it uses as much as digits as its factorization.

57089497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 57089497 is about 7555.7591941512. The cubic root of 57089497 is about 385.0514284478.

The spelling of 57089497 in words is "fifty-seven million, eighty-nine thousand, four hundred ninety-seven".