55235132244 has 72 divisors (see below), whose sum is σ = 143580641568. Its totient is φ = 17890994880.

The previous prime is 55235132209. The next prime is 55235132263. The reversal of 55235132244 is 44223153255.

55235132244 is a `hidden beast` number, since 55 + 235 + 132 + 244 = 666.

55235132244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 55235132199 and 55235132208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1021939 + ... + 1074629.

Almost surely, 2^55235132244 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 55235132244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71790320784).

55235132244 is an abundant number, since it is smaller than the sum of its proper divisors (88345509324).

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

55235132244 is a wasteful number, since it uses less digits than its factorization.

55235132244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53525 (or 53520 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

Adding to 55235132244 its reverse (44223153255), we get a palindrome (99458285499).

The spelling of 55235132244 in words is "fifty-five billion, two hundred thirty-five million, one hundred thirty-two thousand, two hundred forty-four".