55675219 has 4 divisors (see below), whose sum is σ = 55750896. Its totient is φ = 55599544.

The previous prime is 55675181. The next prime is 55675223. The reversal of 55675219 is 91257655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55675219 - 2⁷ = 55675091 is a prime.

It is a super-2 number, since 2×55675219² = 6199460021395922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55675229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36724 + ... + 38209.

It is an arithmetic number, because the mean of its divisors is an integer number (13937724).

Almost surely, 2^55675219 is an apocalyptic number.

55675219 is a deficient number, since it is larger than the sum of its proper divisors (75677).

55675219 is an equidigital number, since it uses as much as digits as its factorization.

55675219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75676.

The product of its digits is 94500, while the sum is 40.

The square root of 55675219 is about 7461.5828749669. The cubic root of 55675219 is about 381.8451786192.

The spelling of 55675219 in words is "fifty-five million, six hundred seventy-five thousand, two hundred nineteen".