55426323 has 4 divisors (see below), whose sum is σ = 73901768. Its totient is φ = 36950880.

The previous prime is 55426313. The next prime is 55426339. The reversal of 55426323 is 32362455.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55426323 - 2¹³ = 55418131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55426313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9237718 + ... + 9237723.

It is an arithmetic number, because the mean of its divisors is an integer number (18475442).

Almost surely, 2^55426323 is an apocalyptic number.

55426323 is a deficient number, since it is larger than the sum of its proper divisors (18475445).

55426323 is a wasteful number, since it uses less digits than its factorization.

55426323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18475444.

The product of its digits is 21600, while the sum is 30.

The square root of 55426323 is about 7444.8856942199. The cubic root of 55426323 is about 381.2753157784.

Adding to 55426323 its reverse (32362455), we get a palindrome (87788778).

The spelling of 55426323 in words is "fifty-five million, four hundred twenty-six thousand, three hundred twenty-three".