56223133 has 8 divisors (see below), whose sum is σ = 56766528. Its totient is φ = 55682784.

The previous prime is 56223127. The next prime is 56223149. The reversal of 56223133 is 33132265.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56223133 is a prime.

It is a super-2 number, since 2×56223133² = 6322081368671378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56223098 and 56223107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56223103) 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, 52360 + ... + 53422.

It is an arithmetic number, because the mean of its divisors is an integer number (7095816).

Almost surely, 2^56223133 is an apocalyptic number.

It is an amenable number.

56223133 is a deficient number, since it is larger than the sum of its proper divisors (543395).

56223133 is a wasteful number, since it uses less digits than its factorization.

56223133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523.

The product of its digits is 3240, while the sum is 25.

The square root of 56223133 is about 7498.2086527383. The cubic root of 56223133 is about 383.0937037099.

Adding to 56223133 its reverse (33132265), we get a palindrome (89355398).

The spelling of 56223133 in words is "fifty-six million, two hundred twenty-three thousand, one hundred thirty-three".