55124244 has 144 divisors (see below), whose sum is σ = 173846400. Its totient is φ = 14370048.

The previous prime is 55124233. The next prime is 55124249. The reversal of 55124244 is 44242155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55124249) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138654 + ... + 139050.

Almost surely, 2^55124244 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 55124244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86923200).

55124244 is an abundant number, since it is smaller than the sum of its proper divisors (118722156).

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

55124244 is a wasteful number, since it uses less digits than its factorization.

55124244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 457 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 55124244 is about 7424.5702905959. The cubic root of 55124244 is about 380.5813907345.

Adding to 55124244 its reverse (44242155), we get a palindrome (99366399).

The spelling of 55124244 in words is "fifty-five million, one hundred twenty-four thousand, two hundred forty-four".