55569554164 has 12 divisors (see below), whose sum is σ = 97250874084. Its totient is φ = 27783590144.

The previous prime is 55569554147. The next prime is 55569554203. The reversal of 55569554164 is 46145596555.

It can be written as a sum of positive squares in 2 ways, for example, as 20397552400 + 35172001764 = 142820^2 + 187542^2 .

It is a congruent number.

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, 186877 + ... + 382180.

It is an arithmetic number, because the mean of its divisors is an integer number (8104239507).

Almost surely, 2^55569554164 is an apocalyptic number.

It is an amenable number.

55569554164 is a deficient number, since it is larger than the sum of its proper divisors (41681319920).

55569554164 is a wasteful number, since it uses less digits than its factorization.

55569554164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593474 (or 593472 counting only the distinct ones).

The product of its digits is 16200000, while the sum is 55.

The spelling of 55569554164 in words is "fifty-five billion, five hundred sixty-nine million, five hundred fifty-four thousand, one hundred sixty-four".