550013252500 has 30 divisors (see below), whose sum is σ = 1202768986034. Its totient is φ = 220005300000.

The previous prime is 550013252491. The next prime is 550013252513. The reversal of 550013252500 is 5252310055.

It can be written as a sum of positive squares in 5 ways, for example, as 53039011204 + 496974241296 = 230302^2 + 704964^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 110000151 + ... + 110005150.

Almost surely, 2^550013252500 is an apocalyptic number.

550013252500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550013252500 is an abundant number, since it is smaller than the sum of its proper divisors (652755733534).

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

550013252500 is a wasteful number, since it uses less digits than its factorization.

550013252500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220005325 (or 220005308 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

Adding to 550013252500 its reverse (5252310055), we get a palindrome (555265562555).

The spelling of 550013252500 in words is "five hundred fifty billion, thirteen million, two hundred fifty-two thousand, five hundred".