57575797 has 2 divisors, whose sum is σ = 57575798. Its totient is φ = 57575796.

The previous prime is 57575783. The next prime is 57575801. The reversal of 57575797 is 79757575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35212356 + 22363441 = 5934^2 + 4729^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57575797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57575597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28787898 + 28787899.

It is an arithmetic number, because the mean of its divisors is an integer number (28787899).

Almost surely, 2^57575797 is an apocalyptic number.

It is an amenable number.

57575797 is a deficient number, since it is larger than the sum of its proper divisors (1).

57575797 is an equidigital number, since it uses as much as digits as its factorization.

57575797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2701125, while the sum is 52.

The square root of 57575797 is about 7587.8717042396. The cubic root of 57575797 is about 386.1416542744.

The spelling of 57575797 in words is "fifty-seven million, five hundred seventy-five thousand, seven hundred ninety-seven".