57438853 has 2 divisors, whose sum is σ = 57438854. Its totient is φ = 57438852.

The previous prime is 57438851. The next prime is 57438883. The reversal of 57438853 is 35883475.

57438853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57426084 + 12769 = 7578^2 + 113^2 .

It is a cyclic number.

It is not a de Polignac number, because 57438853 - 2¹ = 57438851 is a prime.

Together with 57438851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57438851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28719426 + 28719427.

It is an arithmetic number, because the mean of its divisors is an integer number (28719427).

Almost surely, 2^57438853 is an apocalyptic number.

It is an amenable number.

57438853 is a deficient number, since it is larger than the sum of its proper divisors (1).

57438853 is an equidigital number, since it uses as much as digits as its factorization.

57438853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 43.

The square root of 57438853 is about 7578.8424577900. The cubic root of 57438853 is about 385.8352653298.

The spelling of 57438853 in words is "fifty-seven million, four hundred thirty-eight thousand, eight hundred fifty-three".