57257681153 has 2 divisors, whose sum is σ = 57257681154. Its totient is φ = 57257681152.

The previous prime is 57257681149. The next prime is 57257681191. The reversal of 57257681153 is 35118675275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46749791089 + 10507890064 = 216217^2 + 102508^2 .

It is a cyclic number.

It is not a de Polignac number, because 57257681153 - 2² = 57257681149 is a prime.

It is a super-2 number, since 2×57257681153² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57257681953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28628840576 + 28628840577.

It is an arithmetic number, because the mean of its divisors is an integer number (28628840577).

Almost surely, 2^57257681153 is an apocalyptic number.

It is an amenable number.

57257681153 is a deficient number, since it is larger than the sum of its proper divisors (1).

57257681153 is an equidigital number, since it uses as much as digits as its factorization.

57257681153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764000, while the sum is 50.

The spelling of 57257681153 in words is "fifty-seven billion, two hundred fifty-seven million, six hundred eighty-one thousand, one hundred fifty-three".