57231535215556 has 12 divisors (see below), whose sum is σ = 107859431752492. Its totient is φ = 26414554714848.

The previous prime is 57231535215511. The next prime is 57231535215623. The reversal of 57231535215556 is 65551253513275.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26313309122500 + 30918226093056 = 5129650^2 + 5560416^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57231535215497 and 57231535215506.

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 in 3 ways as a sum of consecutive naturals, for example, 550303223175 + ... + 550303223278.

Almost surely, 2^{57231535215556} is an apocalyptic number.

It is an amenable number.

57231535215556 is a deficient number, since it is larger than the sum of its proper divisors (50627896536936).

57231535215556 is a wasteful number, since it uses less digits than its factorization.

57231535215556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100606446470 (or 1100606446468 counting only the distinct ones).

The product of its digits is 23625000, while the sum is 55.

The spelling of 57231535215556 in words is "fifty-seven trillion, two hundred thirty-one billion, five hundred thirty-five million, two hundred fifteen thousand, five hundred fifty-six".