55234783223 has 4 divisors (see below), whose sum is σ = 56727615240. Its totient is φ = 53741951208.

The previous prime is 55234783217. The next prime is 55234783237. The reversal of 55234783223 is 32238743255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32238743255 = 5 ⋅6447748651.

It is a cyclic number.

It is not a de Polignac number, because 55234783223 - 2⁶ = 55234783159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55234783273) 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, 746415953 + ... + 746416026.

It is an arithmetic number, because the mean of its divisors is an integer number (14181903810).

Almost surely, 2^55234783223 is an apocalyptic number.

55234783223 is a deficient number, since it is larger than the sum of its proper divisors (1492832017).

55234783223 is a wasteful number, since it uses less digits than its factorization.

55234783223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492832016.

The product of its digits is 1209600, while the sum is 44.

The spelling of 55234783223 in words is "fifty-five billion, two hundred thirty-four million, seven hundred eighty-three thousand, two hundred twenty-three".