55281888892 has 12 divisors (see below), whose sum is σ = 96745316080. Its totient is φ = 27640370016.

The previous prime is 55281888859. The next prime is 55281888929. The reversal of 55281888892 is 29888818255.

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, 131473 + ... + 357559.

Almost surely, 2^55281888892 is an apocalyptic number.

It is an amenable number.

55281888892 is a deficient number, since it is larger than the sum of its proper divisors (41463427188).

55281888892 is a wasteful number, since it uses less digits than its factorization.

55281888892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287220 (or 287218 counting only the distinct ones).

The product of its digits is 29491200, while the sum is 64.

The spelling of 55281888892 in words is "fifty-five billion, two hundred eighty-one million, eight hundred eighty-eight thousand, eight hundred ninety-two".