56219329 has 4 divisors (see below), whose sum is σ = 56298240. Its totient is φ = 56140420.

The previous prime is 56219321. The next prime is 56219353. The reversal of 56219329 is 92391265.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56219329 - 2³ = 56219321 is a prime.

It is a super-2 number, since 2×56219329² = 6321225906420482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56219321) 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, 38377 + ... + 39814.

It is an arithmetic number, because the mean of its divisors is an integer number (14074560).

Almost surely, 2^56219329 is an apocalyptic number.

It is an amenable number.

56219329 is a deficient number, since it is larger than the sum of its proper divisors (78911).

56219329 is an equidigital number, since it uses as much as digits as its factorization.

56219329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78910.

The product of its digits is 29160, while the sum is 37.

The square root of 56219329 is about 7497.9549878617. The cubic root of 56219329 is about 383.0850636049.

It can be divided in two parts, 562 and 19329, that added together give a palindrome (19891).

The spelling of 56219329 in words is "fifty-six million, two hundred nineteen thousand, three hundred twenty-nine".