550552513872 has 160 divisors (see below), whose sum is σ = 1479899566080. Its totient is φ = 176180014080.

The previous prime is 550552513859. The next prime is 550552513891. The reversal of 550552513872 is 278315255055.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121720603 + ... + 121725125.

It is an arithmetic number, because the mean of its divisors is an integer number (9249372288).

Almost surely, 2^550552513872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550552513872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (739949783040).

550552513872 is an abundant number, since it is smaller than the sum of its proper divisors (929347052208).

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

550552513872 is a wasteful number, since it uses less digits than its factorization.

550552513872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5201 (or 5195 counting only the distinct ones).

The product of its (nonzero) digits is 2100000, while the sum is 48.

The spelling of 550552513872 in words is "five hundred fifty billion, five hundred fifty-two million, five hundred thirteen thousand, eight hundred seventy-two".