55164151788 has 12 divisors (see below), whose sum is σ = 128716354200. Its totient is φ = 18388050592.

The previous prime is 55164151769. The next prime is 55164151789. The reversal of 55164151788 is 88715146155.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 55164151788.

It is not an unprimeable number, because it can be changed into a prime (55164151789) by changing a digit.

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, 2298506313 + ... + 2298506336.

It is an arithmetic number, because the mean of its divisors is an integer number (10726362850).

Almost surely, 2^55164151788 is an apocalyptic number.

It is an amenable number.

55164151788 is an abundant number, since it is smaller than the sum of its proper divisors (73552202412).

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

55164151788 is a wasteful number, since it uses less digits than its factorization.

55164151788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4597012656 (or 4597012654 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 51.

The spelling of 55164151788 in words is "fifty-five billion, one hundred sixty-four million, one hundred fifty-one thousand, seven hundred eighty-eight".