57148395448 has 64 divisors (see below), whose sum is σ = 109905408000. Its totient is φ = 27849744000.

The previous prime is 57148395391. The next prime is 57148395461. The reversal of 57148395448 is 84459384175.

It is a junction number, because it is equal to n+sod(n) for n = 57148395392 and 57148395401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29290873 + ... + 29292823.

It is an arithmetic number, because the mean of its divisors is an integer number (1717272000).

Almost surely, 2^57148395448 is an apocalyptic number.

It is an amenable number.

57148395448 is a deficient number, since it is larger than the sum of its proper divisors (52757012552).

57148395448 is a wasteful number, since it uses less digits than its factorization.

57148395448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516 (or 2512 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 58.

The spelling of 57148395448 in words is "fifty-seven billion, one hundred forty-eight million, three hundred ninety-five thousand, four hundred forty-eight".