55163532 has 24 divisors (see below), whose sum is σ = 131855472. Its totient is φ = 17939200.

The previous prime is 55163531. The next prime is 55163533. The reversal of 55163532 is 23536155.

55163532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55163531) and next prime (55163533).

It is a self number, because there is not a number n which added to its sum of digits gives 55163532.

It is not an unprimeable number, because it can be changed into a prime (55163531) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 55569 + ... + 56552.

It is an arithmetic number, because the mean of its divisors is an integer number (5493978).

Almost surely, 2^55163532 is an apocalyptic number.

It is an amenable number.

55163532 is an abundant number, since it is smaller than the sum of its proper divisors (76691940).

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

55163532 is a wasteful number, since it uses less digits than its factorization.

55163532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112169 (or 112167 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 55163532 is about 7427.2156290228. The cubic root of 55163532 is about 380.6717849044.

Adding to 55163532 its reverse (23536155), we get a palindrome (78699687).

The spelling of 55163532 in words is "fifty-five million, one hundred sixty-three thousand, five hundred thirty-two".