56219 has 4 divisors (see below), whose sum is σ = 59544. Its totient is φ = 52896.

The previous prime is 56209. The next prime is 56237. The reversal of 56219 is 91265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91265 = 5 ⋅18253.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56219 is a prime.

It is a super-2 number, since 2×56219² = 6321151922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 56194 and 56203.

It is not an unprimeable number, because it can be changed into a prime (56209) 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 3 ways as a sum of consecutive naturals, for example, 1637 + ... + 1670.

It is an arithmetic number, because the mean of its divisors is an integer number (14886).

2⁵⁶²¹⁹ is an apocalyptic number.

56219 is a deficient number, since it is larger than the sum of its proper divisors (3325).

56219 is a wasteful number, since it uses less digits than its factorization.

56219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324.

The product of its digits is 540, while the sum is 23.

The square root of 56219 is about 237.1054617675. The cubic root of 56219 is about 38.3084316322.

The spelling of 56219 in words is "fifty-six thousand, two hundred nineteen".