55544330243 has 8 divisors (see below), whose sum is σ = 56667733056. Its totient is φ = 54423720000.

The previous prime is 55544330213. The next prime is 55544330279. The reversal of 55544330243 is 34203344555.

55544330243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 55544330243 - 2²² = 55540135939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55544330197 and 55544330206.

It is not an unprimeable number, because it can be changed into a prime (55544330203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657938 + ... + 737543.

It is an arithmetic number, because the mean of its divisors is an integer number (7083466632).

Almost surely, 2^55544330243 is an apocalyptic number.

55544330243 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

55544330243 is a deficient number, since it is larger than the sum of its proper divisors (1123402813).

55544330243 is a wasteful number, since it uses less digits than its factorization.

55544330243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396285.

The product of its (nonzero) digits is 432000, while the sum is 38.

Adding to 55544330243 its reverse (34203344555), we get a palindrome (89747674798).

The spelling of 55544330243 in words is "fifty-five billion, five hundred forty-four million, three hundred thirty thousand, two hundred forty-three".