55256818340164 has 12 divisors (see below), whose sum is σ = 110513636680384. Its totient is φ = 23681493574344.

The previous prime is 55256818340147. The next prime is 55256818340203. The reversal of 55256818340164 is 46104381865255.

55256818340164 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 55256818340099 and 55256818340108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 986728898904 + ... + 986728898959.

Almost surely, 2^{55256818340164} is an apocalyptic number.

It is an amenable number.

55256818340164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55256818340164 is a wasteful number, since it uses less digits than its factorization.

55256818340164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973457797874 (or 1973457797872 counting only the distinct ones).

The product of its (nonzero) digits is 27648000, while the sum is 58.

The spelling of 55256818340164 in words is "fifty-five trillion, two hundred fifty-six billion, eight hundred eighteen million, three hundred forty thousand, one hundred sixty-four".