55253123 has 4 divisors (see below), whose sum is σ = 56031408. Its totient is φ = 54474840.

The previous prime is 55253101. The next prime is 55253131. The reversal of 55253123 is 32135255.

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 55253123 - 2⁸ = 55252867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55253092 and 55253101.

It is not an unprimeable number, because it can be changed into a prime (55253923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389036 + ... + 389177.

It is an arithmetic number, because the mean of its divisors is an integer number (14007852).

Almost surely, 2^55253123 is an apocalyptic number.

55253123 is a deficient number, since it is larger than the sum of its proper divisors (778285).

55253123 is an equidigital number, since it uses as much as digits as its factorization.

55253123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778284.

The product of its digits is 4500, while the sum is 26.

The square root of 55253123 is about 7433.2444464043. The cubic root of 55253123 is about 380.8777562416.

Adding to 55253123 its reverse (32135255), we get a palindrome (87388378).

The spelling of 55253123 in words is "fifty-five million, two hundred fifty-three thousand, one hundred twenty-three".