55678135466 has 24 divisors (see below), whose sum is σ = 87136369632. Its totient is φ = 26679375000.

The previous prime is 55678135453. The next prime is 55678135529. The reversal of 55678135466 is 66453187655.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57341 + ... + 338591.

It is an arithmetic number, because the mean of its divisors is an integer number (3630682068).

Almost surely, 2^55678135466 is an apocalyptic number.

55678135466 is a deficient number, since it is larger than the sum of its proper divisors (31458234166).

55678135466 is a wasteful number, since it uses less digits than its factorization.

55678135466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281418 (or 281387 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 56.

The spelling of 55678135466 in words is "fifty-five billion, six hundred seventy-eight million, one hundred thirty-five thousand, four hundred sixty-six".