55878265886788 has 12 divisors (see below), whose sum is σ = 97789717709712. Its totient is φ = 27938346541160.

The previous prime is 55878265886771. The next prime is 55878265886791. The reversal of 55878265886788 is 88768856287855.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 196440670 + ... + 196724917.

It is an arithmetic number, because the mean of its divisors is an integer number (8149143142476).

Almost surely, 2^{55878265886788} is an apocalyptic number.

It is an amenable number.

55878265886788 is a deficient number, since it is larger than the sum of its proper divisors (41911451822924).

55878265886788 is a wasteful number, since it uses less digits than its factorization.

55878265886788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393201122 (or 393201120 counting only the distinct ones).

The product of its digits is 115605504000, while the sum is 91.

The spelling of 55878265886788 in words is "fifty-five trillion, eight hundred seventy-eight billion, two hundred sixty-five million, eight hundred eighty-six thousand, seven hundred eighty-eight".