57126557399 has 2 divisors, whose sum is σ = 57126557400. Its totient is φ = 57126557398.

The previous prime is 57126557377. The next prime is 57126557417. The reversal of 57126557399 is 99375562175.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57126557399 - 2³² = 52831590103 is a prime.

It is a super-2 number, since 2×57126557399² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57126557339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28563278699 + 28563278700.

It is an arithmetic number, because the mean of its divisors is an integer number (28563278700).

Almost surely, 2^57126557399 is an apocalyptic number.

57126557399 is a deficient number, since it is larger than the sum of its proper divisors (1).

57126557399 is an equidigital number, since it uses as much as digits as its factorization.

57126557399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17860500, while the sum is 59.

The spelling of 57126557399 in words is "fifty-seven billion, one hundred twenty-six million, five hundred fifty-seven thousand, three hundred ninety-nine".