550045500 has 48 divisors (see below), whose sum is σ = 1601736864. Its totient is φ = 146678400.

The previous prime is 550045499. The next prime is 550045511. The reversal of 550045500 is 5540055.

550045500 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181849 + ... + 184848.

It is an arithmetic number, because the mean of its divisors is an integer number (33369518).

Almost surely, 2^550045500 is an apocalyptic number.

550045500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550045500 is an abundant number, since it is smaller than the sum of its proper divisors (1051691364).

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

550045500 is a wasteful number, since it uses less digits than its factorization.

550045500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366719 (or 366707 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 550045500 is about 23453.0488423147. The cubic root of 550045500 is about 819.3438633824.

Adding to 550045500 its reverse (5540055), we get a palindrome (555585555).

Subtracting from 550045500 its reverse (5540055), we obtain a palindrome (544505445).

The spelling of 550045500 in words is "five hundred fifty million, forty-five thousand, five hundred".