55318522670568 has 40 divisors (see below), whose sum is σ = 154943084333730. Its totient is φ = 18439507556640.

The previous prime is 55318522670549. The next prime is 55318522670689. The reversal of 55318522670568 is 86507622581355.

It is a happy number.

55318522670568 is a `hidden beast` number, since 5 + 5 + 3 + 1 + 8 + 5 + 2 + 2 + 67 + 0 + 568 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29390038302564 + 25928484368004 = 5421258^2 + 5092002^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 42684044623 + ... + 42684045918.

Almost surely, 2^{55318522670568} is an apocalyptic number.

It is an amenable number.

55318522670568 is an abundant number, since it is smaller than the sum of its proper divisors (99624561663162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55318522670568 is a wasteful number, since it uses less digits than its factorization.

55318522670568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85368090559 (or 85368090546 counting only the distinct ones).

The product of its (nonzero) digits is 120960000, while the sum is 63.

The spelling of 55318522670568 in words is "fifty-five trillion, three hundred eighteen billion, five hundred twenty-two million, six hundred seventy thousand, five hundred sixty-eight".