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5500081 = 47117023
BaseRepresentation
bin10100111110110010110001
3101100102200201
4110332302301
52402000311
6313515201
764515136
oct24766261
911312621
105500081
113117324
121a12b01
1311a75b2
14a3258d
157399c1
hex53ecb1

5500081 has 4 divisors (see below), whose sum is σ = 5617152. Its totient is φ = 5383012.

The previous prime is 5500073. The next prime is 5500123. The reversal of 5500081 is 1800055.

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 not a de Polignac number, because 5500081 - 23 = 5500073 is a prime.

It is a super-2 number, since 2×55000812 = 60501782013122, which contains 22 as substring.

It is a Duffinian number.

5500081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5500021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58465 + ... + 58558.

It is an arithmetic number, because the mean of its divisors is an integer number (1404288).

Almost surely, 25500081 is an apocalyptic number.

It is an amenable number.

5500081 is a deficient number, since it is larger than the sum of its proper divisors (117071).

5500081 is a wasteful number, since it uses less digits than its factorization.

5500081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117070.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 5500081 is about 2345.2251491062. The cubic root of 5500081 is about 176.5182833021.

The spelling of 5500081 in words is "five million, five hundred thousand, eighty-one".

Divisors: 1 47 117023 5500081