55353811678 has 64 divisors (see below), whose sum is σ = 95449052160. Its totient is φ = 24050463360.

The previous prime is 55353811661. The next prime is 55353811691. The reversal of 55353811678 is 87611835355.

55353811678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5374758 + ... + 5385046.

It is an arithmetic number, because the mean of its divisors is an integer number (1491391440).

Almost surely, 2^55353811678 is an apocalyptic number.

55353811678 is a deficient number, since it is larger than the sum of its proper divisors (40095240482).

55353811678 is a wasteful number, since it uses less digits than its factorization.

55353811678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10414 (or 10392 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 52.

The spelling of 55353811678 in words is "fifty-five billion, three hundred fifty-three million, eight hundred eleven thousand, six hundred seventy-eight".