55173302423 has 4 divisors (see below), whose sum is σ = 56518992768. Its totient is φ = 53827612080.

The previous prime is 55173302417. The next prime is 55173302447. The reversal of 55173302423 is 32420337155.

55173302423 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 55173302423 - 2⁸ = 55173302167 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 (55173302123) 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, 672845111 + ... + 672845192.

It is an arithmetic number, because the mean of its divisors is an integer number (14129748192).

Almost surely, 2^55173302423 is an apocalyptic number.

55173302423 is a deficient number, since it is larger than the sum of its proper divisors (1345690345).

55173302423 is a wasteful number, since it uses less digits than its factorization.

55173302423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345690344.

The product of its (nonzero) digits is 75600, while the sum is 35.

Adding to 55173302423 its reverse (32420337155), we get a palindrome (87593639578).

The spelling of 55173302423 in words is "fifty-five billion, one hundred seventy-three million, three hundred two thousand, four hundred twenty-three".