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550601000 = 23531928979
BaseRepresentation
bin100000110100011…
…000000100101000
31102101001102120122
4200310120010220
52111423213000
6130345142412
716434013505
oct4064300450
91371042518
10550601000
11262888754
1213448aa08
138a0c0c11
14531a84ac
1533511085
hex20d18128

550601000 has 64 divisors (see below), whose sum is σ = 1356264000. Its totient is φ = 208641600.

The previous prime is 550600997. The next prime is 550601011. The reversal of 550601000 is 106055.

It is a super-2 number, since 2×5506010002 = 606322922402000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550601000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4511 + ... + 33489.

It is an arithmetic number, because the mean of its divisors is an integer number (21191625).

Almost surely, 2550601000 is an apocalyptic number.

550601000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550601000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678132000).

550601000 is an abundant number, since it is smaller than the sum of its proper divisors (805663000).

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

550601000 is a wasteful number, since it uses less digits than its factorization.

550601000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29019 (or 29005 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 550601000 is about 23464.8886637035. Note that the first 3 decimals coincide. The cubic root of 550601000 is about 819.6195935310.

Adding to 550601000 its reverse (106055), we get a palindrome (550707055).

The spelling of 550601000 in words is "five hundred fifty million, six hundred one thousand".

Divisors: 1 2 4 5 8 10 19 20 25 38 40 50 76 95 100 125 152 190 200 250 380 475 500 760 950 1000 1900 2375 3800 4750 9500 19000 28979 57958 115916 144895 231832 289790 550601 579580 724475 1101202 1159160 1448950 2202404 2753005 2897900 3622375 4404808 5506010 5795800 7244750 11012020 13765025 14489500 22024040 27530050 28979000 55060100 68825125 110120200 137650250 275300500 550601000