57855799 has 2 divisors, whose sum is σ = 57855800. Its totient is φ = 57855798.

The previous prime is 57855781. The next prime is 57855857. The reversal of 57855799 is 99755875.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57855799 - 2⁵ = 57855767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57855719) 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, 28927899 + 28927900.

It is an arithmetic number, because the mean of its divisors is an integer number (28927900).

Almost surely, 2^57855799 is an apocalyptic number.

57855799 is a deficient number, since it is larger than the sum of its proper divisors (1).

57855799 is an equidigital number, since it uses as much as digits as its factorization.

57855799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3969000, while the sum is 55.

The square root of 57855799 is about 7606.2999546429. The cubic root of 57855799 is about 386.7666022738.

The spelling of 57855799 in words is "fifty-seven million, eight hundred fifty-five thousand, seven hundred ninety-nine".