55867265872 has 20 divisors (see below), whose sum is σ = 118083085056. Its totient is φ = 25394211680.

The previous prime is 55867265851. The next prime is 55867265957. The reversal of 55867265872 is 27856276855.

It is a self number, because there is not a number n which added to its sum of digits gives 55867265872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158713648 + ... + 158713999.

Almost surely, 2^55867265872 is an apocalyptic number.

It is an amenable number.

55867265872 is an abundant number, since it is smaller than the sum of its proper divisors (62215819184).

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

55867265872 is a wasteful number, since it uses less digits than its factorization.

55867265872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317427666 (or 317427660 counting only the distinct ones).

The product of its digits is 56448000, while the sum is 61.

The spelling of 55867265872 in words is "fifty-five billion, eight hundred sixty-seven million, two hundred sixty-five thousand, eight hundred seventy-two".