550403134304 has 48 divisors (see below), whose sum is σ = 1146370176000. Its totient is φ = 259407080064.

The previous prime is 550403134301. The next prime is 550403134343. The reversal of 550403134304 is 403431304055.

It is a super-3 number, since 3×550403134304³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550403134301) 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, 2153552 + ... + 2395535.

It is an arithmetic number, because the mean of its divisors is an integer number (23882712000).

Almost surely, 2^550403134304 is an apocalyptic number.

It is an amenable number.

550403134304 is an abundant number, since it is smaller than the sum of its proper divisors (595967041696).

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

550403134304 is a wasteful number, since it uses less digits than its factorization.

550403134304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549315 (or 4549307 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 550403134304 its reverse (403431304055), we get a palindrome (953834438359).

The spelling of 550403134304 in words is "five hundred fifty billion, four hundred three million, one hundred thirty-four thousand, three hundred four".