55335219 has 16 divisors (see below), whose sum is σ = 76638720. Its totient is φ = 35471520.

The previous prime is 55335211. The next prime is 55335227. The reversal of 55335219 is 91253355.

55335219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55335211) and next prime (55335227).

It is not a de Polignac number, because 55335219 - 2³ = 55335211 is a prime.

It is a super-2 number, since 2×55335219² = 6123972923555922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55335219.

It is not an unprimeable number, because it can be changed into a prime (55335211) 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 15 ways as a sum of consecutive naturals, for example, 22404 + ... + 24750.

It is an arithmetic number, because the mean of its divisors is an integer number (4789920).

Almost surely, 2^55335219 is an apocalyptic number.

55335219 is a deficient number, since it is larger than the sum of its proper divisors (21303501).

55335219 is a wasteful number, since it uses less digits than its factorization.

55335219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650.

The product of its digits is 20250, while the sum is 33.

The square root of 55335219 is about 7438.7646151764. The cubic root of 55335219 is about 381.0663010388.

The spelling of 55335219 in words is "fifty-five million, three hundred thirty-five thousand, two hundred nineteen".