55342223 has 8 divisors (see below), whose sum is σ = 57262080. Its totient is φ = 53430840.

The previous prime is 55342213. The next prime is 55342267. The reversal of 55342223 is 32224355.

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 55342223 - 2¹⁰ = 55341199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55342192 and 55342201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55342213) 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, 12986 + ... + 16712.

It is an arithmetic number, because the mean of its divisors is an integer number (7157760).

Almost surely, 2^55342223 is an apocalyptic number.

55342223 is a deficient number, since it is larger than the sum of its proper divisors (1919857).

55342223 is a wasteful number, since it uses less digits than its factorization.

55342223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237.

The product of its digits is 7200, while the sum is 26.

The square root of 55342223 is about 7439.2353773758. The cubic root of 55342223 is about 381.0823780558.

Adding to 55342223 its reverse (32224355), we get a palindrome (87566578).

The spelling of 55342223 in words is "fifty-five million, three hundred forty-two thousand, two hundred twenty-three".