56270219 has 2 divisors, whose sum is σ = 56270220. Its totient is φ = 56270218.

The previous prime is 56270197. The next prime is 56270251. The reversal of 56270219 is 91207265.

It is an a-pointer prime, because the next prime (56270251) can be obtained adding 56270219 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56270219 is a prime.

It is a super-2 number, since 2×56270219² = 6332675092615922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56270299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28135109 + 28135110.

It is an arithmetic number, because the mean of its divisors is an integer number (28135110).

Almost surely, 2^56270219 is an apocalyptic number.

56270219 is a deficient number, since it is larger than the sum of its proper divisors (1).

56270219 is an equidigital number, since it uses as much as digits as its factorization.

56270219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 56270219 is about 7501.3478122268. The cubic root of 56270219 is about 383.2006188763.

It can be divided in two parts, 56270 and 219, that multiplied together give a triangular number (12323130 = T₄₉₆₄).

The spelling of 56270219 in words is "fifty-six million, two hundred seventy thousand, two hundred nineteen".