55193184 has 96 divisors (see below), whose sum is σ = 162570240. Its totient is φ = 18216576.

The previous prime is 55193141. The next prime is 55193189. The reversal of 55193184 is 48139155.

55193184 is a `hidden beast` number, since 551 + 93 + 18 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55193189) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 109477 + ... + 109979.

It is an arithmetic number, because the mean of its divisors is an integer number (1693440).

Almost surely, 2^55193184 is an apocalyptic number.

55193184 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 55193184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81285120).

55193184 is an abundant number, since it is smaller than the sum of its proper divisors (107377056).

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

55193184 is a wasteful number, since it uses less digits than its factorization.

55193184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 635 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 55193184 is about 7429.2115328613. The cubic root of 55193184 is about 380.7399800657.

The spelling of 55193184 in words is "fifty-five million, one hundred ninety-three thousand, one hundred eighty-four".