55443699634455 has 96 divisors (see below), whose sum is σ = 110529013121280. Its totient is φ = 25427229696000.

The previous prime is 55443699634409. The next prime is 55443699634459.

55443699634455 is a `hidden beast` number, since 5 + 5 + 4 + 4 + 36 + 99 + 63 + 445 + 5 = 666.

55443699634455 is nontrivially palindromic in base 10.

55443699634455 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 55443699634455 - 2¹⁰ = 55443699633431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55443699634459) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 1430220 + ... + 10626990.

It is an arithmetic number, because the mean of its divisors is an integer number (1151343886680).

Almost surely, 2^{55443699634455} is an apocalyptic number.

55443699634455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55443699634455 is a deficient number, since it is larger than the sum of its proper divisors (55085313486825).

55443699634455 is a wasteful number, since it uses less digits than its factorization.

55443699634455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9197453 (or 9197450 counting only the distinct ones).

The product of its digits is 4199040000, while the sum is 72.

The spelling of 55443699634455 in words is "fifty-five trillion, four hundred forty-three billion, six hundred ninety-nine million, six hundred thirty-four thousand, four hundred fifty-five".