57523558993 has 2 divisors, whose sum is σ = 57523558994. Its totient is φ = 57523558992.

The previous prime is 57523558991. The next prime is 57523559033. The reversal of 57523558993 is 39985532575.

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., 29072978064 + 28450580929 = 170508^2 + 168673^2 .

It is a cyclic number.

It is not a de Polignac number, because 57523558993 - 2¹ = 57523558991 is a prime.

Together with 57523558991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (57523558991) 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, 28761779496 + 28761779497.

It is an arithmetic number, because the mean of its divisors is an integer number (28761779497).

Almost surely, 2^57523558993 is an apocalyptic number.

It is an amenable number.

57523558993 is a deficient number, since it is larger than the sum of its proper divisors (1).

57523558993 is an equidigital number, since it uses as much as digits as its factorization.

57523558993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030000, while the sum is 61.

The spelling of 57523558993 in words is "fifty-seven billion, five hundred twenty-three million, five hundred fifty-eight thousand, nine hundred ninety-three".