55433444433455 has 16 divisors (see below), whose sum is σ = 72868527803808. Its totient is φ = 40147949184000.

The previous prime is 55433444433413. The next prime is 55433444433463.

55433444433455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55433444433455 - 2³⁶ = 55364724956719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55433444433455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2091025766 + ... + 2091052275.

It is an arithmetic number, because the mean of its divisors is an integer number (4554282987738).

Almost surely, 2^{55433444433455} is an apocalyptic number.

55433444433455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55433444433455 is a deficient number, since it is larger than the sum of its proper divisors (17435083370353).

55433444433455 is a wasteful number, since it uses less digits than its factorization.

55433444433455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4182078298.

The product of its digits is 207360000, while the sum is 56.

It can be divided in two parts, 5543344 and 4433455, that added together give a palindrome (9976799).

The spelling of 55433444433455 in words is "fifty-five trillion, four hundred thirty-three billion, four hundred forty-four million, four hundred thirty-three thousand, four hundred fifty-five".