56201223 has 8 divisors (see below), whose sum is σ = 80699248. Its totient is φ = 34585344.

The previous prime is 56201137. The next prime is 56201239. The reversal of 56201223 is 32210265.

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

It is not a de Polignac number, because 56201223 - 2¹⁶ = 56135687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56201223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56201323) 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 7 ways as a sum of consecutive naturals, for example, 720490 + ... + 720567.

It is an arithmetic number, because the mean of its divisors is an integer number (10087406).

Almost surely, 2^56201223 is an apocalyptic number.

56201223 is a deficient number, since it is larger than the sum of its proper divisors (24498025).

56201223 is a wasteful number, since it uses less digits than its factorization.

56201223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441073.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 56201223 is about 7496.7474947473. The cubic root of 56201223 is about 383.0439337241.

Adding to 56201223 its reverse (32210265), we get a palindrome (88411488).

The spelling of 56201223 in words is "fifty-six million, two hundred one thousand, two hundred twenty-three".