55334221006523 has 4 divisors (see below), whose sum is σ = 55337700943248. Its totient is φ = 55330741069800.

The previous prime is 55334221006483. The next prime is 55334221006579. The reversal of 55334221006523 is 32560012243355.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55334221006523 - 2³⁰ = 55333147264699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55334221006223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1739944511 + ... + 1739976312.

It is an arithmetic number, because the mean of its divisors is an integer number (13834425235812).

Almost surely, 2^{55334221006523} is an apocalyptic number.

55334221006523 is a deficient number, since it is larger than the sum of its proper divisors (3479936725).

55334221006523 is a wasteful number, since it uses less digits than its factorization.

55334221006523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479936724.

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 55334221006523 its reverse (32560012243355), we get a palindrome (87894233249878).

The spelling of 55334221006523 in words is "fifty-five trillion, three hundred thirty-four billion, two hundred twenty-one million, six thousand, five hundred twenty-three".