55222315553523 has 8 divisors (see below), whose sum is σ = 73830380105728. Its totient is φ = 36714564018504.

The previous prime is 55222315553521. The next prime is 55222315553527. The reversal of 55222315553523 is 32535551322255.

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

It is not a de Polignac number, because 55222315553523 - 2¹ = 55222315553521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55222315553521) 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, 25078253011 + ... + 25078255212.

It is an arithmetic number, because the mean of its divisors is an integer number (9228797513216).

Almost surely, 2^{55222315553523} is an apocalyptic number.

55222315553523 is a deficient number, since it is larger than the sum of its proper divisors (18608064552205).

55222315553523 is a wasteful number, since it uses less digits than its factorization.

55222315553523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50156508593.

The product of its digits is 6750000, while the sum is 48.

Adding to 55222315553523 its reverse (32535551322255), we get a palindrome (87757866875778).

The spelling of 55222315553523 in words is "fifty-five trillion, two hundred twenty-two billion, three hundred fifteen million, five hundred fifty-three thousand, five hundred twenty-three".