55313244 has 72 divisors (see below), whose sum is σ = 160742400. Its totient is φ = 15710112.

The previous prime is 55313231. The next prime is 55313281. The reversal of 55313244 is 44231355.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49597 + ... + 50699.

Almost surely, 2^55313244 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 55313244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80371200).

55313244 is an abundant number, since it is smaller than the sum of its proper divisors (105429156).

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

55313244 is a wasteful number, since it uses less digits than its factorization.

55313244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319 (or 1314 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 55313244 is about 7437.2874087264. The cubic root of 55313244 is about 381.0158507056.

Adding to 55313244 its reverse (44231355), we get a palindrome (99544599).

The spelling of 55313244 in words is "fifty-five million, three hundred thirteen thousand, two hundred forty-four".