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5555005 = 51765353
BaseRepresentation
bin10101001100001100111101
3101110020000221
4111030030331
52410230010
6315021341
765134231
oct25141475
911406027
105555005
113154615
121a3a851
1311c65b1
14a485c1
1574adda
hex54c33d

5555005 has 8 divisors (see below), whose sum is σ = 7058232. Its totient is φ = 4182528.

The previous prime is 5554993. The next prime is 5555009. The reversal of 5555005 is 5005555.

It can be written as a sum of positive squares in 4 ways, for example, as 2268036 + 3286969 = 1506^2 + 1813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5555005 - 211 = 5552957 is a prime.

It is a Duffinian number.

5555005 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32592 + ... + 32761.

It is an arithmetic number, because the mean of its divisors is an integer number (882279).

Almost surely, 25555005 is an apocalyptic number.

It is an amenable number.

5555005 is a deficient number, since it is larger than the sum of its proper divisors (1503227).

5555005 is a wasteful number, since it uses less digits than its factorization.

5555005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65375.

The product of its (nonzero) digits is 3125, while the sum is 25.

The square root of 5555005 is about 2356.9058105915. The cubic root of 5555005 is about 177.1039108114.

The spelling of 5555005 in words is "five million, five hundred fifty-five thousand, five".

Divisors: 1 5 17 85 65353 326765 1111001 5555005