55132219 has 8 divisors (see below), whose sum is σ = 59513760. Its totient is φ = 50916096.

The previous prime is 55132213. The next prime is 55132237. The reversal of 55132219 is 91223155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55132219 - 2¹⁷ = 55001147 is a prime.

It is a super-3 number, since 3×55132219³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55132213) 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 7 ways as a sum of consecutive naturals, for example, 40662 + ... + 41995.

It is an arithmetic number, because the mean of its divisors is an integer number (7439220).

Almost surely, 2^55132219 is an apocalyptic number.

55132219 is a deficient number, since it is larger than the sum of its proper divisors (4381541).

55132219 is a wasteful number, since it uses less digits than its factorization.

55132219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82709.

The product of its digits is 2700, while the sum is 28.

The square root of 55132219 is about 7425.1073392915. The cubic root of 55132219 is about 380.5997431569.

The spelling of 55132219 in words is "fifty-five million, one hundred thirty-two thousand, two hundred nineteen".