56032223 has 4 divisors (see below), whose sum is σ = 60342408. Its totient is φ = 51722040.

The previous prime is 56032219. The next prime is 56032267. The reversal of 56032223 is 32223065.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56032223 - 2² = 56032219 is a prime.

It is a super-2 number, since 2×56032223² = 6279220028643458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56032423) 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, 2155073 + ... + 2155098.

It is an arithmetic number, because the mean of its divisors is an integer number (15085602).

Almost surely, 2^56032223 is an apocalyptic number.

56032223 is a deficient number, since it is larger than the sum of its proper divisors (4310185).

56032223 is a wasteful number, since it uses less digits than its factorization.

56032223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310184.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 56032223 is about 7485.4674536732. The cubic root of 56032223 is about 382.6596038907.

Adding to 56032223 its reverse (32223065), we get a palindrome (88255288).

The spelling of 56032223 in words is "fifty-six million, thirty-two thousand, two hundred twenty-three".