55280555288 has 32 divisors (see below), whose sum is σ = 118468162560. Its totient is φ = 23689700640.

The previous prime is 55280555203. The next prime is 55280555303. The reversal of 55280555288 is 88255508255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788633 + ... + 855863.

It is an arithmetic number, because the mean of its divisors is an integer number (3702130080).

Almost surely, 2^55280555288 is an apocalyptic number.

It is an amenable number.

55280555288 is an abundant number, since it is smaller than the sum of its proper divisors (63187607272).

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

55280555288 is a wasteful number, since it uses less digits than its factorization.

55280555288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81927 (or 81923 counting only the distinct ones).

The product of its (nonzero) digits is 6400000, while the sum is 53.

The spelling of 55280555288 in words is "fifty-five billion, two hundred eighty million, five hundred fifty-five thousand, two hundred eighty-eight".