2203134554550 has 96 divisors (see below), whose sum is σ = 5649106068000. Its totient is φ = 567787484160.

The previous prime is 2203134554519. The next prime is 2203134554561. The reversal of 2203134554550 is 554554313022.

It is a junction number, because it is equal to n+sod(n) for n = 2203134554499 and 2203134554508.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 505135 + ... + 2159034.

It is an arithmetic number, because the mean of its divisors is an integer number (58844854875).

Almost surely, 2^{2203134554550} is an apocalyptic number.

2203134554550 is an abundant number, since it is smaller than the sum of its proper divisors (3445971513450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2203134554550 is a wasteful number, since it uses less digits than its factorization.

2203134554550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664370 (or 2664365 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 2203134554550 its reverse (554554313022), we get a palindrome (2757688867572).

The spelling of 2203134554550 in words is "two trillion, two hundred three billion, one hundred thirty-four million, five hundred fifty-four thousand, five hundred fifty".