55389323 has 12 divisors (see below), whose sum is σ = 61436424. Its totient is φ = 49896000.

The previous prime is 55389317. The next prime is 55389329. The reversal of 55389323 is 32398355.

It is a happy number.

55389323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55389317) and next prime (55389329).

It is not a de Polignac number, because 55389323 - 2⁴ = 55389307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55389329) 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 11 ways as a sum of consecutive naturals, for example, 11648 + ... + 15698.

It is an arithmetic number, because the mean of its divisors is an integer number (5119702).

Almost surely, 2^55389323 is an apocalyptic number.

55389323 is a deficient number, since it is larger than the sum of its proper divisors (6047101).

55389323 is a wasteful number, since it uses less digits than its factorization.

55389323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186 (or 4175 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

The square root of 55389323 is about 7442.4003520370. The cubic root of 55389323 is about 381.1904564181.

The spelling of 55389323 in words is "fifty-five million, three hundred eighty-nine thousand, three hundred twenty-three".