550555450 has 12 divisors (see below), whose sum is σ = 1024033230. Its totient is φ = 220222160.

The previous prime is 550555441. The next prime is 550555463. The reversal of 550555450 is 54555055.

It can be written as a sum of positive squares in 3 ways, for example, as 289442169 + 261113281 = 17013^2 + 16159^2 .

It is a super-2 number, since 2×550555450² = 606222607049405000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5505505 + ... + 5505604.

Almost surely, 2^550555450 is an apocalyptic number.

550555450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550555450 is a deficient number, since it is larger than the sum of its proper divisors (473477780).

550555450 is a wasteful number, since it uses less digits than its factorization.

550555450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11011121 (or 11011116 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 34.

The square root of 550555450 is about 23463.9180445210. The cubic root of 550555450 is about 819.5969911371.

The spelling of 550555450 in words is "five hundred fifty million, five hundred fifty-five thousand, four hundred fifty".