55268244 has 60 divisors (see below), whose sum is σ = 147879424. Its totient is φ = 17989776.

The previous prime is 55268243. The next prime is 55268261. The reversal of 55268244 is 44286255.

It is a happy number.

55268244 is a `hidden beast` number, since 552 + 68 + 2 + 44 = 666.

55268244 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 = 55268199 and 55268208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55268243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11949 + ... + 15915.

Almost surely, 2^55268244 is an apocalyptic number.

55268244 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55268244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73939712).

55268244 is an abundant number, since it is smaller than the sum of its proper divisors (92611180).

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

55268244 is a wasteful number, since it uses less digits than its factorization.

55268244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026 (or 4015 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 55268244 is about 7434.2614966115. The cubic root of 55268244 is about 380.9124977304.

The spelling of 55268244 in words is "fifty-five million, two hundred sixty-eight thousand, two hundred forty-four".