57225474818 has 54 divisors (see below), whose sum is σ = 90701627913. Its totient is φ = 27078012240.

The previous prime is 57225474799. The next prime is 57225474863. The reversal of 57225474818 is 81847452275.

57225474818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38762915689 + 18462559129 = 196883^2 + 135877^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=169153.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57225474818.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 938122508 + ... + 938122568.

Almost surely, 2^57225474818 is an apocalyptic number.

57225474818 is a deficient number, since it is larger than the sum of its proper divisors (33476153095).

57225474818 is an frugal number, since it uses more digits than its factorization.

57225474818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 169 counting only the distinct ones).

The product of its digits is 5017600, while the sum is 53.

The spelling of 57225474818 in words is "fifty-seven billion, two hundred twenty-five million, four hundred seventy-four thousand, eight hundred eighteen".