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550899250 = 253111631229
BaseRepresentation
bin100000110101100…
…000111000110010
31102101121120200221
4200311200320302
52112012234000
6130355403254
716436365156
oct4065407062
91371546627
10550899250
11262a71840
121345b352a
138a1968b5
1453245066
153356e61a
hex20d60e32

550899250 has 64 divisors (see below), whose sum is σ = 1132859520. Its totient is φ = 198936000.

The previous prime is 550899241. The next prime is 550899277. The reversal of 550899250 is 52998055.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 550899197 and 550899206.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 447636 + ... + 448864.

It is an arithmetic number, because the mean of its divisors is an integer number (17700930).

Almost surely, 2550899250 is an apocalyptic number.

550899250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550899250 is an abundant number, since it is smaller than the sum of its proper divisors (581960270).

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

550899250 is a wasteful number, since it uses less digits than its factorization.

550899250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420 (or 1410 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 43.

The square root of 550899250 is about 23471.2430433499. The cubic root of 550899250 is about 819.7675575550.

The spelling of 550899250 in words is "five hundred fifty million, eight hundred ninety-nine thousand, two hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 125 163 250 275 326 550 815 1229 1375 1630 1793 2458 2750 3586 4075 6145 8150 8965 12290 13519 17930 20375 27038 30725 40750 44825 61450 67595 89650 135190 153625 200327 224125 307250 337975 400654 448250 675950 1001635 1689875 2003270 2203597 3379750 4407194 5008175 10016350 11017985 22035970 25040875 50081750 55089925 110179850 275449625 550899250