55126144 has 48 divisors (see below), whose sum is σ = 116003070. Its totient is φ = 26090496.

The previous prime is 55126109. The next prime is 55126151. The reversal of 55126144 is 44162155.

It can be written as a sum of positive squares in only one way, i.e., 46785600 + 8340544 = 6840^2 + 2888^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45612 + ... + 46804.

Almost surely, 2^55126144 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 55126144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58001535).

55126144 is an abundant number, since it is smaller than the sum of its proper divisors (60876926).

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

55126144 is a wasteful number, since it uses less digits than its factorization.

55126144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245 (or 1214 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 55126144 is about 7424.6982430264. The cubic root of 55126144 is about 380.5857632590.

Adding to 55126144 its reverse (44162155), we get a palindrome (99288299).

The spelling of 55126144 in words is "fifty-five million, one hundred twenty-six thousand, one hundred forty-four".