57163105448 has 8 divisors (see below), whose sum is σ = 107180822730. Its totient is φ = 28581552720.

The previous prime is 57163105397. The next prime is 57163105459. The reversal of 57163105448 is 84450136175.

It can be written as a sum of positive squares in only one way, i.e., 53556142084 + 3606963364 = 231422^2 + 60058^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 57163105399 and 57163105408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572694083 + ... + 3572694098.

Almost surely, 2^57163105448 is an apocalyptic number.

It is an amenable number.

57163105448 is a deficient number, since it is larger than the sum of its proper divisors (50017717282).

57163105448 is a wasteful number, since it uses less digits than its factorization.

57163105448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7145388187 (or 7145388183 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 57163105448 in words is "fifty-seven billion, one hundred sixty-three million, one hundred five thousand, four hundred forty-eight".