55441232 has 60 divisors (see below), whose sum is σ = 134970528. Its totient is φ = 21595200.

The previous prime is 55441229. The next prime is 55441241. The reversal of 55441232 is 23214455.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11507 + ... + 15597.

Almost surely, 2^55441232 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 55441232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67485264).

55441232 is an abundant number, since it is smaller than the sum of its proper divisors (79529296).

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

55441232 is a wasteful number, since it uses less digits than its factorization.

55441232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128 (or 4111 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 55441232 is about 7445.8869182925. The cubic root of 55441232 is about 381.3094988390.

Adding to 55441232 its reverse (23214455), we get a palindrome (78655687).

It can be divided in two parts, 5544 and 1232, that added together give a palindrome (6776).

The spelling of 55441232 in words is "fifty-five million, four hundred forty-one thousand, two hundred thirty-two".