55438222283455 has 32 divisors (see below), whose sum is σ = 75731773893120. Its totient is φ = 38564332625280.

The previous prime is 55438222283453. The next prime is 55438222283551.

55438222283455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55438222283455 - 2¹ = 55438222283453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55438222283455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55438222283453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35036844 + ... + 36584926.

It is an arithmetic number, because the mean of its divisors is an integer number (2366617934160).

Almost surely, 2^{55438222283455} is an apocalyptic number.

55438222283455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55438222283455 is a deficient number, since it is larger than the sum of its proper divisors (20293551609665).

55438222283455 is a wasteful number, since it uses less digits than its factorization.

55438222283455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576431.

The product of its digits is 92160000, while the sum is 58.

The spelling of 55438222283455 in words is "fifty-five trillion, four hundred thirty-eight billion, two hundred twenty-two million, two hundred eighty-three thousand, four hundred fifty-five".