550440225 has 48 divisors (see below), whose sum is σ = 1019299840. Its totient is φ = 291211200.

The previous prime is 550440223. The next prime is 550440227. The reversal of 550440225 is 522044055.

It is an interprime number because it is at equal distance from previous prime (550440223) and next prime (550440227).

It is not a de Polignac number, because 550440225 - 2¹ = 550440223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (550440223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82515 + ... + 88935.

Almost surely, 2^550440225 is an apocalyptic number.

It is an amenable number.

550440225 is a deficient number, since it is larger than the sum of its proper divisors (468859615).

550440225 is a wasteful number, since it uses less digits than its factorization.

550440225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6567 (or 6556 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 550440225 is about 23461.4625503186. The cubic root of 550440225 is about 819.5398097019.

The spelling of 550440225 in words is "five hundred fifty million, four hundred forty thousand, two hundred twenty-five".