57421951529 has 2 divisors, whose sum is σ = 57421951530. Its totient is φ = 57421951528.

The previous prime is 57421951513. The next prime is 57421951541. The reversal of 57421951529 is 92515912475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57085155625 + 336795904 = 238925^2 + 18352^2 .

It is a cyclic number.

It is not a de Polignac number, because 57421951529 - 2⁴ = 57421951513 is a prime.

It is not a weakly prime, because it can be changed into another prime (57421951549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28710975764 + 28710975765.

It is an arithmetic number, because the mean of its divisors is an integer number (28710975765).

Almost surely, 2^57421951529 is an apocalyptic number.

It is an amenable number.

57421951529 is a deficient number, since it is larger than the sum of its proper divisors (1).

57421951529 is an equidigital number, since it uses as much as digits as its factorization.

57421951529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134000, while the sum is 50.

The spelling of 57421951529 in words is "fifty-seven billion, four hundred twenty-one million, nine hundred fifty-one thousand, five hundred twenty-nine".