55228096 has 84 divisors (see below), whose sum is σ = 139162536. Its totient is φ = 21504000.

The previous prime is 55228091. The next prime is 55228097. The reversal of 55228096 is 69082255.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55228091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33696 + ... + 35296.

Almost surely, 2^55228096 is an apocalyptic number.

55228096 is a gapful number since it is divisible by the number (56) 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 55228096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69581268).

55228096 is an abundant number, since it is smaller than the sum of its proper divisors (83934440).

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

55228096 is a wasteful number, since it uses less digits than its factorization.

55228096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638 (or 1621 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 55228096 is about 7431.5608051068. The cubic root of 55228096 is about 380.8202411386.

The spelling of 55228096 in words is "fifty-five million, two hundred twenty-eight thousand, ninety-six".