550105501000 has 128 divisors (see below), whose sum is σ = 1404679086720. Its totient is φ = 199980000000.

The previous prime is 550105500979. The next prime is 550105501007. The reversal of 550105501000 is 105501055.

It is a super-2 number, since 2×550105501000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (550105501007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60506455 + ... + 60515545.

It is an arithmetic number, because the mean of its divisors is an integer number (10974055365).

Almost surely, 2^550105501000 is an apocalyptic number.

550105501000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550105501000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702339543360).

550105501000 is an abundant number, since it is smaller than the sum of its proper divisors (854573585720).

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

550105501000 is a wasteful number, since it uses less digits than its factorization.

550105501000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14624 (or 14610 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 22.

Subtracting from 550105501000 its reverse (105501055), we obtain a palindrome (549999999945).

It can be divided in two parts, 55010 and 5501000, that multiplied together give a square (302610010000 = 550100²).

The spelling of 550105501000 in words is "five hundred fifty billion, one hundred five million, five hundred one thousand".