56223401 has 8 divisors (see below), whose sum is σ = 61575360. Its totient is φ = 51018192.

The previous prime is 56223397. The next prime is 56223439. The reversal of 56223401 is 10432265.

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 56223401 - 2² = 56223397 is a prime.

It is a super-2 number, since 2×56223401² = 6322141640013602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56223001) 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, 35885 + ... + 37418.

It is an arithmetic number, because the mean of its divisors is an integer number (7696920).

Almost surely, 2^56223401 is an apocalyptic number.

It is an amenable number.

56223401 is a deficient number, since it is larger than the sum of its proper divisors (5351959).

56223401 is a wasteful number, since it uses less digits than its factorization.

56223401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73375.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 56223401 is about 7498.2265236521. The cubic root of 56223401 is about 383.0943124092.

Adding to 56223401 its reverse (10432265), we get a palindrome (66655666).

The spelling of 56223401 in words is "fifty-six million, two hundred twenty-three thousand, four hundred one".