55268288 has 56 divisors (see below), whose sum is σ = 114848640. Its totient is φ = 26357760.

The previous prime is 55268281. The next prime is 55268293. The reversal of 55268288 is 88286255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55268281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176420 + ... + 176732.

Almost surely, 2^55268288 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 55268288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57424320).

55268288 is an abundant number, since it is smaller than the sum of its proper divisors (59580352).

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

55268288 is a wasteful number, since it uses less digits than its factorization.

55268288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 435 counting only the distinct ones).

The product of its digits is 307200, while the sum is 44.

The square root of 55268288 is about 7434.2644558826. The cubic root of 55268288 is about 380.9125988140.

The spelling of 55268288 in words is "fifty-five million, two hundred sixty-eight thousand, two hundred eighty-eight".