55152244 has 36 divisors (see below), whose sum is σ = 114682176. Its totient is φ = 23129904.

The previous prime is 55152241. The next prime is 55152247. The reversal of 55152244 is 44225155.

55152244 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 (55152241) and next prime (55152247).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55152241) 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 11 ways as a sum of consecutive naturals, for example, 6219 + ... + 12205.

It is an arithmetic number, because the mean of its divisors is an integer number (3185616).

Almost surely, 2^55152244 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 55152244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57341088).

55152244 is an abundant number, since it is smaller than the sum of its proper divisors (59529932).

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

55152244 is a wasteful number, since it uses less digits than its factorization.

55152244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6052 (or 6043 counting only the distinct ones).

The product of its digits is 8000, while the sum is 28.

The square root of 55152244 is about 7426.4556822215. The cubic root of 55152244 is about 380.6458177718.

Adding to 55152244 its reverse (44225155), we get a palindrome (99377399).

The spelling of 55152244 in words is "fifty-five million, one hundred fifty-two thousand, two hundred forty-four".