57523921097 has 2 divisors, whose sum is σ = 57523921098. Its totient is φ = 57523921096.

The previous prime is 57523921093. The next prime is 57523921099. The reversal of 57523921097 is 79012932575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31633823881 + 25890097216 = 177859^2 + 160904^2 .

It is a cyclic number.

It is not a de Polignac number, because 57523921097 - 2² = 57523921093 is a prime.

Together with 57523921099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57523921093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28761960548 + 28761960549.

It is an arithmetic number, because the mean of its divisors is an integer number (28761960549).

Almost surely, 2^57523921097 is an apocalyptic number.

It is an amenable number.

57523921097 is a deficient number, since it is larger than the sum of its proper divisors (1).

57523921097 is an equidigital number, since it uses as much as digits as its factorization.

57523921097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1190700, while the sum is 50.

The spelling of 57523921097 in words is "fifty-seven billion, five hundred twenty-three million, nine hundred twenty-one thousand, ninety-seven".