55278828528768 has 256 divisors, whose sum is σ = 181757867760000. Its totient is φ = 16422357159936.

The previous prime is 55278828528761. The next prime is 55278828528769. The reversal of 55278828528768 is 86782582887255.

55278828528768 is a `hidden beast` number, since 5 + 5 + 2 + 7 + 8 + 8 + 28 + 528 + 7 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (55278828528761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19910658 + ... + 22516481.

Almost surely, 2^{55278828528768} is an apocalyptic number.

55278828528768 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

55278828528768 is an abundant number, since it is smaller than the sum of its proper divisors (126479039231232).

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

55278828528768 is a wasteful number, since it uses less digits than its factorization.

55278828528768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42427204 (or 42427186 counting only the distinct ones).

The product of its digits is 9633792000, while the sum is 81.

The spelling of 55278828528768 in words is "fifty-five trillion, two hundred seventy-eight billion, eight hundred twenty-eight million, five hundred twenty-eight thousand, seven hundred sixty-eight".