55343223 has 32 divisors (see below), whose sum is σ = 91358400. Its totient is φ = 32876928.

The previous prime is 55343209. The next prime is 55343243. The reversal of 55343223 is 32234355.

It is not a de Polignac number, because 55343223 - 2⁴ = 55343207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55343203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7461 + ... + 12897.

It is an arithmetic number, because the mean of its divisors is an integer number (2854950).

Almost surely, 2^55343223 is an apocalyptic number.

55343223 is a deficient number, since it is larger than the sum of its proper divisors (36015177).

55343223 is a wasteful number, since it uses less digits than its factorization.

55343223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5488 (or 5482 counting only the distinct ones).

The product of its digits is 10800, while the sum is 27.

The square root of 55343223 is about 7439.3025882807. The cubic root of 55343223 is about 381.0846733502.

Adding to 55343223 its reverse (32234355), we get a palindrome (87577578).

The spelling of 55343223 in words is "fifty-five million, three hundred forty-three thousand, two hundred twenty-three".