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550605001 = 2539216859
BaseRepresentation
bin100000110100011…
…001000011001001
31102101001122001211
4200310121003021
52111423330001
6130345213121
716434031252
oct4064310311
91371048054
10550605001
11262890761
121344911a1
138a0c299b
14531a9b29
1533512351
hex20d190c9

550605001 has 4 divisors (see below), whose sum is σ = 550824400. Its totient is φ = 550385604.

The previous prime is 550604939. The next prime is 550605017. The reversal of 550605001 is 100506055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-550605001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550605701) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 105891 + ... + 110968.

It is an arithmetic number, because the mean of its divisors is an integer number (137706100).

Almost surely, 2550605001 is an apocalyptic number.

It is an amenable number.

550605001 is a deficient number, since it is larger than the sum of its proper divisors (219399).

550605001 is a wasteful number, since it uses less digits than its factorization.

550605001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219398.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 550605001 is about 23464.9739185877. The cubic root of 550605001 is about 819.6215788101.

The spelling of 550605001 in words is "five hundred fifty million, six hundred five thousand, one".

Divisors: 1 2539 216859 550605001