57818879953 has 2 divisors, whose sum is σ = 57818879954. Its totient is φ = 57818879952.

The previous prime is 57818879897. The next prime is 57818879971. The reversal of 57818879953 is 35997881875.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51368862609 + 6450017344 = 226647^2 + 80312^2 .

It is a cyclic number.

It is not a de Polignac number, because 57818879953 - 2²¹ = 57816782801 is a prime.

It is not a weakly prime, because it can be changed into another prime (57818849953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28909439976 + 28909439977.

It is an arithmetic number, because the mean of its divisors is an integer number (28909439977).

Almost surely, 2^57818879953 is an apocalyptic number.

It is an amenable number.

57818879953 is a deficient number, since it is larger than the sum of its proper divisors (1).

57818879953 is an equidigital number, since it uses as much as digits as its factorization.

57818879953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 152409600, while the sum is 70.

The spelling of 57818879953 in words is "fifty-seven billion, eight hundred eighteen million, eight hundred seventy-nine thousand, nine hundred fifty-three".