56030321 has 8 divisors (see below), whose sum is σ = 57758784. Its totient is φ = 54313200.

The previous prime is 56030281. The next prime is 56030329. The reversal of 56030321 is 12303065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56030321 - 2²² = 51836017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56030293 and 56030302.

It is not an unprimeable number, because it can be changed into a prime (56030329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7796 + ... + 13146.

It is an arithmetic number, because the mean of its divisors is an integer number (7219848).

Almost surely, 2^56030321 is an apocalyptic number.

It is an amenable number.

56030321 is a deficient number, since it is larger than the sum of its proper divisors (1728463).

56030321 is a wasteful number, since it uses less digits than its factorization.

56030321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 56030321 is about 7485.3404064211. The cubic root of 56030321 is about 382.6552740797.

Adding to 56030321 its reverse (12303065), we get a palindrome (68333386).

The spelling of 56030321 in words is "fifty-six million, thirty thousand, three hundred twenty-one".