55163600 has 30 divisors (see below), whose sum is σ = 132531510. Its totient is φ = 22065280.

The previous prime is 55163587. The next prime is 55163611. The reversal of 55163600 is 636155.

55163600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 817216 + 54346384 = 904^2 + 7372^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55163600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68555 + ... + 69354.

It is an arithmetic number, because the mean of its divisors is an integer number (4417717).

Almost surely, 2^55163600 is an apocalyptic number.

55163600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55163600 is an abundant number, since it is smaller than the sum of its proper divisors (77367910).

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

55163600 is a wasteful number, since it uses less digits than its factorization.

55163600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137927 (or 137916 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 55163600 is about 7427.2202067799. The cubic root of 55163600 is about 380.6719413221.

Adding to 55163600 its reverse (636155), we get a palindrome (55799755).

The spelling of 55163600 in words is "fifty-five million, one hundred sixty-three thousand, six hundred".