550253505000 has 160 divisors (see below), whose sum is σ = 1727727075360. Its totient is φ = 145988640000.

The previous prime is 550253504993. The next prime is 550253505013. The reversal of 550253505000 is 505352055.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2861895 + ... + 3048105.

It is an arithmetic number, because the mean of its divisors is an integer number (10798294221).

Almost surely, 2^550253505000 is an apocalyptic number.

550253505000 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 550253505000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863863537680).

550253505000 is an abundant number, since it is smaller than the sum of its proper divisors (1177473570360).

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

550253505000 is a wasteful number, since it uses less digits than its factorization.

550253505000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186437 (or 186418 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 30.

Adding to 550253505000 its reverse (505352055), we get a palindrome (550758857055).

The spelling of 550253505000 in words is "five hundred fifty billion, two hundred fifty-three million, five hundred five thousand".