550220090 has 32 divisors (see below), whose sum is σ = 1138161024. Its totient is φ = 187600320.

The previous prime is 550220089. The next prime is 550220093. The reversal of 550220090 is 90022055.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (550220093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9044 + ... + 34383.

It is an arithmetic number, because the mean of its divisors is an integer number (35567532).

Almost surely, 2^550220090 is an apocalyptic number.

550220090 is an abundant number, since it is smaller than the sum of its proper divisors (587940934).

550220090 is a wasteful number, since it uses less digits than its factorization.

550220090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43622.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 550220090 is about 23456.7706643519. The cubic root of 550220090 is about 819.4305435526.

The spelling of 550220090 in words is "five hundred fifty million, two hundred twenty thousand, ninety".