57096090521 has 2 divisors, whose sum is σ = 57096090522. Its totient is φ = 57096090520.

The previous prime is 57096090431. The next prime is 57096090529. The reversal of 57096090521 is 12509069075.

It is a happy number.

57096090521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57080377225 + 15713296 = 238915^2 + 3964^2 .

It is a cyclic number.

It is not a de Polignac number, because 57096090521 - 2²⁶ = 57028981657 is a prime.

It is not a weakly prime, because it can be changed into another prime (57096090529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28548045260 + 28548045261.

It is an arithmetic number, because the mean of its divisors is an integer number (28548045261).

Almost surely, 2^57096090521 is an apocalyptic number.

It is an amenable number.

57096090521 is a deficient number, since it is larger than the sum of its proper divisors (1).

57096090521 is an equidigital number, since it uses as much as digits as its factorization.

57096090521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 44.

The spelling of 57096090521 in words is "fifty-seven billion, ninety-six million, ninety thousand, five hundred twenty-one".