55264219 has 8 divisors (see below), whose sum is σ = 55706112. Its totient is φ = 54824640.

The previous prime is 55264211. The next prime is 55264241. The reversal of 55264219 is 91246255.

It is a happy number.

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 55264219 - 2³ = 55264211 is a prime.

It is a super-2 number, since 2×55264219² = 6108267803359922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55264211) 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, 119649 + ... + 120109.

It is an arithmetic number, because the mean of its divisors is an integer number (6963264).

Almost surely, 2^55264219 is an apocalyptic number.

55264219 is a deficient number, since it is larger than the sum of its proper divisors (441893).

55264219 is a wasteful number, since it uses less digits than its factorization.

55264219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157.

The product of its digits is 21600, while the sum is 34.

The square root of 55264219 is about 7433.9907855741. The cubic root of 55264219 is about 380.9032506480.

The spelling of 55264219 in words is "fifty-five million, two hundred sixty-four thousand, two hundred nineteen".