57648015289 has 2 divisors, whose sum is σ = 57648015290. Its totient is φ = 57648015288.

The previous prime is 57648015277. The next prime is 57648015343. The reversal of 57648015289 is 98251084675.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36656931600 + 20991083689 = 191460^2 + 144883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57648015289 is a prime.

It is a super-3 number, since 3×57648015289³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (57648015209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28824007644 + 28824007645.

It is an arithmetic number, because the mean of its divisors is an integer number (28824007645).

Almost surely, 2^57648015289 is an apocalyptic number.

It is an amenable number.

57648015289 is a deficient number, since it is larger than the sum of its proper divisors (1).

57648015289 is an equidigital number, since it uses as much as digits as its factorization.

57648015289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 57648015289 in words is "fifty-seven billion, six hundred forty-eight million, fifteen thousand, two hundred eighty-nine".