550790220 has 24 divisors (see below), whose sum is σ = 1542212784. Its totient is φ = 146877376.

The previous prime is 550790197. The next prime is 550790249. The reversal of 550790220 is 22097055.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4589859 + ... + 4589978.

It is an arithmetic number, because the mean of its divisors is an integer number (64258866).

Almost surely, 2^550790220 is an apocalyptic number.

It is an amenable number.

550790220 is an abundant number, since it is smaller than the sum of its proper divisors (991422564).

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

550790220 is a wasteful number, since it uses less digits than its factorization.

550790220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9179849 (or 9179847 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 550790220 is about 23468.9202989827. The cubic root of 550790220 is about 819.7134731625.

The spelling of 550790220 in words is "five hundred fifty million, seven hundred ninety thousand, two hundred twenty".