355220324545553 has 4 divisors (see below), whose sum is σ = 355595425206000. Its totient is φ = 354845223885108.

The previous prime is 355220324545511. The next prime is 355220324545609. The reversal of 355220324545553 is 355545423022553.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 355220324545553 - 2⁸ = 355220324545297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 355220324545495 and 355220324545504.

It is not an unprimeable number, because it can be changed into a prime (355220324547553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187550328803 + ... + 187550330696.

It is an arithmetic number, because the mean of its divisors is an integer number (88898856301500).

Almost surely, 2^{355220324545553} is an apocalyptic number.

It is an amenable number.

355220324545553 is a deficient number, since it is larger than the sum of its proper divisors (375100660447).

355220324545553 is an equidigital number, since it uses as much as digits as its factorization.

355220324545553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375100660446.

The product of its (nonzero) digits is 54000000, while the sum is 53.

The spelling of 355220324545553 in words is "three hundred fifty-five trillion, two hundred twenty billion, three hundred twenty-four million, five hundred forty-five thousand, five hundred fifty-three".