55423433432455 has 64 divisors (see below), whose sum is σ = 77988043081728. Its totient is φ = 37361456732160.

The previous prime is 55423433432447. The next prime is 55423433432461.

It is a happy number.

55423433432455 is nontrivially palindromic in base 10.

55423433432455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55423433432455 - 2³ = 55423433432447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 258804754 + ... + 259018816.

It is an arithmetic number, because the mean of its divisors is an integer number (1218563173152).

Almost surely, 2^{55423433432455} is an apocalyptic number.

55423433432455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55423433432455 is a deficient number, since it is larger than the sum of its proper divisors (22564609649273).

55423433432455 is a wasteful number, since it uses less digits than its factorization.

55423433432455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218296.

The product of its digits is 51840000, while the sum is 52.

It can be divided in two parts, 5542343 and 3432455, that added together give a palindrome (8974798).

The spelling of 55423433432455 in words is "fifty-five trillion, four hundred twenty-three billion, four hundred thirty-three million, four hundred thirty-two thousand, four hundred fifty-five".