57771968153 has 2 divisors, whose sum is σ = 57771968154. Its totient is φ = 57771968152.

The previous prime is 57771968141. The next prime is 57771968171. The reversal of 57771968153 is 35186917775.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54742896784 + 3029071369 = 233972^2 + 55037^2 .

It is a cyclic number.

It is not a de Polignac number, because 57771968153 - 2¹² = 57771964057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57771968092 and 57771968101.

It is not a weakly prime, because it can be changed into another prime (57771968053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28885984076 + 28885984077.

It is an arithmetic number, because the mean of its divisors is an integer number (28885984077).

Almost surely, 2^57771968153 is an apocalyptic number.

It is an amenable number.

57771968153 is a deficient number, since it is larger than the sum of its proper divisors (1).

57771968153 is an equidigital number, since it uses as much as digits as its factorization.

57771968153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11113200, while the sum is 59.

The spelling of 57771968153 in words is "fifty-seven billion, seven hundred seventy-one million, nine hundred sixty-eight thousand, one hundred fifty-three".