55774823471678 has 8 divisors (see below), whose sum is σ = 85607868584568. Its totient is φ = 27238867276824.

The previous prime is 55774823471669. The next prime is 55774823471681. The reversal of 55774823471678 is 87617432847755.

55774823471678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55774823471678² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324272229401 + ... + 324272229572.

It is an arithmetic number, because the mean of its divisors is an integer number (10700983573071).

Almost surely, 2^{55774823471678} is an apocalyptic number.

55774823471678 is a deficient number, since it is larger than the sum of its proper divisors (29833045112890).

55774823471678 is a wasteful number, since it uses less digits than its factorization.

55774823471678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648544459018.

The product of its digits is 2212761600, while the sum is 74.

The spelling of 55774823471678 in words is "fifty-five trillion, seven hundred seventy-four billion, eight hundred twenty-three million, four hundred seventy-one thousand, six hundred seventy-eight".