550275055550 has 48 divisors (see below), whose sum is σ = 1134862413264. Its totient is φ = 196819680000.

The previous prime is 550275055481. The next prime is 550275055553. The reversal of 550275055550 is 55550572055.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550275055553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8167271 + ... + 8234370.

It is an arithmetic number, because the mean of its divisors is an integer number (23642966943).

Almost surely, 2^550275055550 is an apocalyptic number.

550275055550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550275055550 is an abundant number, since it is smaller than the sum of its proper divisors (584587357714).

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

550275055550 is a wasteful number, since it uses less digits than its factorization.

550275055550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16401725 (or 16401720 counting only the distinct ones).

The product of its (nonzero) digits is 1093750, while the sum is 44.

It can be divided in two parts, 55027505 and 5550, that added together give a palindrome (55033055).

The spelling of 550275055550 in words is "five hundred fifty billion, two hundred seventy-five million, fifty-five thousand, five hundred fifty".