57997801 has 2 divisors, whose sum is σ = 57997802. Its totient is φ = 57997800.

The previous prime is 57997787. The next prime is 57997811. The reversal of 57997801 is 10879975.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47265625 + 10732176 = 6875^2 + 3276^2 .

It is a cyclic number.

It is not a de Polignac number, because 57997801 - 2⁷ = 57997673 is a prime.

It is not a weakly prime, because it can be changed into another prime (57997811) 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, 28998900 + 28998901.

It is an arithmetic number, because the mean of its divisors is an integer number (28998901).

Almost surely, 2^57997801 is an apocalyptic number.

It is an amenable number.

57997801 is a deficient number, since it is larger than the sum of its proper divisors (1).

57997801 is an equidigital number, since it uses as much as digits as its factorization.

57997801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 46.

The square root of 57997801 is about 7615.6287330725. The cubic root of 57997801 is about 387.0827720138.

The spelling of 57997801 in words is "fifty-seven million, nine hundred ninety-seven thousand, eight hundred one".