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550601001 = 3283737083
BaseRepresentation
bin100000110100011…
…000000100101001
31102101001102120200
4200310120010221
52111423213001
6130345142413
716434013506
oct4064300451
91371042520
10550601001
11262888755
1213448aa09
138a0c0c12
14531a84ad
1533511086
hex20d18129

550601001 has 12 divisors (see below), whose sum is σ = 804895728. Its totient is φ = 362644344.

The previous prime is 550600997. The next prime is 550601011. The reversal of 550601001 is 100106055.

It is not a de Polignac number, because 550601001 - 22 = 550600997 is a prime.

It is a super-2 number, since 2×5506010012 = 606322924604404002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550601011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367795 + ... + 369288.

It is an arithmetic number, because the mean of its divisors is an integer number (67074644).

Almost surely, 2550601001 is an apocalyptic number.

It is an amenable number.

550601001 is a deficient number, since it is larger than the sum of its proper divisors (254294727).

550601001 is a wasteful number, since it uses less digits than its factorization.

550601001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737172 (or 737169 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 550601001 is about 23464.8886850119. Note that the first 3 decimals coincide. The cubic root of 550601001 is about 819.6195940272.

Adding to 550601001 its reverse (100106055), we get a palindrome (650707056).

The spelling of 550601001 in words is "five hundred fifty million, six hundred one thousand, one".

Divisors: 1 3 9 83 249 747 737083 2211249 6633747 61177889 183533667 550601001