57229957901 has 2 divisors, whose sum is σ = 57229957902. Its totient is φ = 57229957900.

The previous prime is 57229957849. The next prime is 57229957909. The reversal of 57229957901 is 10975992275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57204202276 + 25755625 = 239174^2 + 5075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57229957901 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57229957909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28614978950 + 28614978951.

It is an arithmetic number, because the mean of its divisors is an integer number (28614978951).

Almost surely, 2^57229957901 is an apocalyptic number.

It is an amenable number.

57229957901 is a deficient number, since it is larger than the sum of its proper divisors (1).

57229957901 is an equidigital number, since it uses as much as digits as its factorization.

57229957901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3572100, while the sum is 56.

The spelling of 57229957901 in words is "fifty-seven billion, two hundred twenty-nine million, nine hundred fifty-seven thousand, nine hundred one".