550015511300 has 18 divisors (see below), whose sum is σ = 1193533659738. Its totient is φ = 220006204480.

The previous prime is 550015511261. The next prime is 550015511303. The reversal of 550015511300 is 3115510055.

It can be written as a sum of positive squares in 3 ways, for example, as 39530982976 + 510484528324 = 198824^2 + 714482^2 .

It is a super-3 number, since 3×550015511300³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550015511300.

It is not an unprimeable number, because it can be changed into a prime (550015511303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2750077457 + ... + 2750077656.

It is an arithmetic number, because the mean of its divisors is an integer number (66307425541).

Almost surely, 2^550015511300 is an apocalyptic number.

550015511300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550015511300 is an abundant number, since it is smaller than the sum of its proper divisors (643518148438).

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

550015511300 is a wasteful number, since it uses less digits than its factorization.

550015511300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500155127 (or 5500155120 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 26.

The spelling of 550015511300 in words is "five hundred fifty billion, fifteen million, five hundred eleven thousand, three hundred".