55206323 has 4 divisors (see below), whose sum is σ = 55962648. Its totient is φ = 54450000.

The previous prime is 55206317. The next prime is 55206353. The reversal of 55206323 is 32360255.

55206323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55206323 - 2²⁴ = 38429107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55206292 and 55206301.

It is not an unprimeable number, because it can be changed into a prime (55206313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378053 + ... + 378198.

It is an arithmetic number, because the mean of its divisors is an integer number (13990662).

Almost surely, 2^55206323 is an apocalyptic number.

55206323 is a deficient number, since it is larger than the sum of its proper divisors (756325).

55206323 is an equidigital number, since it uses as much as digits as its factorization.

55206323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756324.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 55206323 is about 7430.0957598136. The cubic root of 55206323 is about 380.7701899897.

Adding to 55206323 its reverse (32360255), we get a palindrome (87566578).

The spelling of 55206323 in words is "fifty-five million, two hundred six thousand, three hundred twenty-three".