57445465853 has 2 divisors, whose sum is σ = 57445465854. Its totient is φ = 57445465852.

The previous prime is 57445465837. The next prime is 57445465877. The reversal of 57445465853 is 35856454475.

57445465853 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., 41463955129 + 15981510724 = 203627^2 + 126418^2 .

It is a cyclic number.

It is not a de Polignac number, because 57445465853 - 2⁴ = 57445465837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57445465823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28722732926 + 28722732927.

It is an arithmetic number, because the mean of its divisors is an integer number (28722732927).

Almost surely, 2^57445465853 is an apocalyptic number.

It is an amenable number.

57445465853 is a deficient number, since it is larger than the sum of its proper divisors (1).

57445465853 is an equidigital number, since it uses as much as digits as its factorization.

57445465853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320000, while the sum is 56.

The spelling of 57445465853 in words is "fifty-seven billion, four hundred forty-five million, four hundred sixty-five thousand, eight hundred fifty-three".