55863519008 has 48 divisors (see below), whose sum is σ = 121498392960. Its totient is φ = 25071072000.

The previous prime is 55863519007. The next prime is 55863519011. The reversal of 55863519008 is 80091536855.

It is not an unprimeable number, because it can be changed into a prime (55863519007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976643 + ... + 1032258.

It is an arithmetic number, because the mean of its divisors is an integer number (2531216520).

Almost surely, 2^55863519008 is an apocalyptic number.

It is an amenable number.

55863519008 is an abundant number, since it is smaller than the sum of its proper divisors (65634873952).

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

55863519008 is a wasteful number, since it uses less digits than its factorization.

55863519008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009001 (or 2008993 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 50.

The spelling of 55863519008 in words is "fifty-five billion, eight hundred sixty-three million, five hundred nineteen thousand, eight".