55098288 has 120 divisors (see below), whose sum is σ = 180131328. Its totient is φ = 15394176.

The previous prime is 55098287. The next prime is 55098299. The reversal of 55098288 is 88289055.

55098288 is a `hidden beast` number, since 550 + 98 + 2 + 8 + 8 = 666.

55098288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55098287) 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 23 ways as a sum of consecutive naturals, for example, 46795 + ... + 47957.

Almost surely, 2^55098288 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 55098288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90065664).

55098288 is an abundant number, since it is smaller than the sum of its proper divisors (125033040).

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

55098288 is a wasteful number, since it uses less digits than its factorization.

55098288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1222 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The square root of 55098288 is about 7422.8221048332. The cubic root of 55098288 is about 380.5216473819.

The spelling of 55098288 in words is "fifty-five million, ninety-eight thousand, two hundred eighty-eight".