55310445503443 has 8 divisors (see below), whose sum is σ = 59565454855200. Its totient is φ = 51055487537088.

The previous prime is 55310445503437. The next prime is 55310445503519. The reversal of 55310445503443 is 34430554401355.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55310445503443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55310445503393 and 55310445503402.

It is not an unprimeable number, because it can be changed into a prime (55310445503143) 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, 10596178 + ... + 14929831.

It is an arithmetic number, because the mean of its divisors is an integer number (7445681856900).

Almost surely, 2^{55310445503443} is an apocalyptic number.

55310445503443 is a deficient number, since it is larger than the sum of its proper divisors (4255009351757).

55310445503443 is a wasteful number, since it uses less digits than its factorization.

55310445503443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25692701.

The product of its (nonzero) digits is 4320000, while the sum is 46.

Adding to 55310445503443 its reverse (34430554401355), we get a palindrome (89740999904798).

The spelling of 55310445503443 in words is "fifty-five trillion, three hundred ten billion, four hundred forty-five million, five hundred three thousand, four hundred forty-three".