55525553223 has 16 divisors (see below), whose sum is σ = 85431830016. Its totient is φ = 31420838880.

The previous prime is 55525553219. The next prime is 55525553257. The reversal of 55525553223 is 32235552555.

It is not a de Polignac number, because 55525553223 - 2² = 55525553219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55525553023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12833148 + ... + 12837473.

It is an arithmetic number, because the mean of its divisors is an integer number (5339489376).

Almost surely, 2^55525553223 is an apocalyptic number.

55525553223 is a deficient number, since it is larger than the sum of its proper divisors (29906276793).

55525553223 is a wasteful number, since it uses less digits than its factorization.

55525553223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25670734.

The product of its digits is 1125000, while the sum is 42.

The spelling of 55525553223 in words is "fifty-five billion, five hundred twenty-five million, five hundred fifty-three thousand, two hundred twenty-three".