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55345135 = 511069027
BaseRepresentation
bin1101001100011…
…1111111101111
310212010211020211
43103013333233
5103132021020
65254123251
71241266036
oct323077757
9125124224
1055345135
112927168a
1216650527
13b60a301
1474c971d
154cd385a
hex34c7fef

55345135 has 4 divisors (see below), whose sum is σ = 66414168. Its totient is φ = 44276104.

The previous prime is 55345133. The next prime is 55345151. The reversal of 55345135 is 53154355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53154355 = 510630871.

It is a cyclic number.

It is not a de Polignac number, because 55345135 - 21 = 55345133 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55345097 and 55345106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55345133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5534509 + ... + 5534518.

It is an arithmetic number, because the mean of its divisors is an integer number (16603542).

Almost surely, 255345135 is an apocalyptic number.

55345135 is a deficient number, since it is larger than the sum of its proper divisors (11069033).

55345135 is a wasteful number, since it uses less digits than its factorization.

55345135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11069032.

The product of its digits is 22500, while the sum is 31.

The square root of 55345135 is about 7439.4310938404. The cubic root of 55345135 is about 381.0890618761.

The spelling of 55345135 in words is "fifty-five million, three hundred forty-five thousand, one hundred thirty-five".

Divisors: 1 5 11069027 55345135