553303223504303 has 4 divisors (see below), whose sum is σ = 553355924079000. Its totient is φ = 553250522929608.

The previous prime is 553303223504231. The next prime is 553303223504323. The reversal of 553303223504303 is 303405322303355.

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 553303223504303 - 2⁸ = 553303223504047 is a prime.

It is a super-2 number, since 2×553303223504303² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553303223504323) 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, 26350271600 + ... + 26350292597.

It is an arithmetic number, because the mean of its divisors is an integer number (138338981019750).

Almost surely, 2^{553303223504303} is an apocalyptic number.

553303223504303 is a deficient number, since it is larger than the sum of its proper divisors (52700574697).

553303223504303 is a wasteful number, since it uses less digits than its factorization.

553303223504303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52700574696.

The product of its (nonzero) digits is 1458000, while the sum is 41.

Adding to 553303223504303 its reverse (303405322303355), we get a palindrome (856708545807658).

The spelling of 553303223504303 in words is "five hundred fifty-three trillion, three hundred three billion, two hundred twenty-three million, five hundred four thousand, three hundred three".