55163152 has 80 divisors (see below), whose sum is σ = 123152832. Its totient is φ = 23708160.

The previous prime is 55163149. The next prime is 55163159. The reversal of 55163152 is 25136155.

It is a self number, because there is not a number n which added to its sum of digits gives 55163152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55163159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279918 + ... + 280114.

Almost surely, 2^55163152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55163152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61576416).

55163152 is an abundant number, since it is smaller than the sum of its proper divisors (67989680).

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

55163152 is a wasteful number, since it uses less digits than its factorization.

55163152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 290 counting only the distinct ones).

The product of its digits is 4500, while the sum is 28.

The square root of 55163152 is about 7427.1900473867. The cubic root of 55163152 is about 380.6709108027.

It can be divided in two parts, 5516 and 3152, that added together give a palindrome (8668).

The spelling of 55163152 in words is "fifty-five million, one hundred sixty-three thousand, one hundred fifty-two".