55432544523455 has 8 divisors (see below), whose sum is σ = 72566240103504. Its totient is φ = 40314577835200.

The previous prime is 55432544523449. The next prime is 55432544523553.

55432544523455 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55432544523455 - 2⁴ = 55432544523439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55432544523455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503932222886 + ... + 503932222995.

It is an arithmetic number, because the mean of its divisors is an integer number (9070780012938).

Almost surely, 2^{55432544523455} is an apocalyptic number.

55432544523455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55432544523455 is a deficient number, since it is larger than the sum of its proper divisors (17133695580049).

55432544523455 is a wasteful number, since it uses less digits than its factorization.

55432544523455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007864445897.

The product of its digits is 144000000, while the sum is 56.

The spelling of 55432544523455 in words is "fifty-five trillion, four hundred thirty-two billion, five hundred forty-four million, five hundred twenty-three thousand, four hundred fifty-five".