55257175223 has 4 divisors (see below), whose sum is σ = 55421143440. Its totient is φ = 55093207008.

The previous prime is 55257175159. The next prime is 55257175229. The reversal of 55257175223 is 32257175255.

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 55257175223 - 2⁶ = 55257175159 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 (55257175229) 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, 81983603 + ... + 81984276.

It is an arithmetic number, because the mean of its divisors is an integer number (13855285860).

Almost surely, 2^55257175223 is an apocalyptic number.

55257175223 is a deficient number, since it is larger than the sum of its proper divisors (163968217).

55257175223 is a wasteful number, since it uses less digits than its factorization.

55257175223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163968216.

The product of its digits is 735000, while the sum is 44.

The spelling of 55257175223 in words is "fifty-five billion, two hundred fifty-seven million, one hundred seventy-five thousand, two hundred twenty-three".