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55676865 = 3511173323
BaseRepresentation
bin1101010001100…
…0111111000001
310212202200022010
43110120333001
5103223124430
65305203133
71244150136
oct324307701
9125680263
1055676865
1129478942
12167904a9
13b6c52ba
14757458d
154d4bcb0
hex3518fc1

55676865 has 16 divisors (see below), whose sum is σ = 89189568. Its totient is φ = 29658816.

The previous prime is 55676849. The next prime is 55676869. The reversal of 55676865 is 56867655.

55676865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55676865 - 24 = 55676849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55676869) 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 15 ways as a sum of consecutive naturals, for example, 15094 + ... + 18416.

It is an arithmetic number, because the mean of its divisors is an integer number (5574348).

Almost surely, 255676865 is an apocalyptic number.

It is an amenable number.

55676865 is a deficient number, since it is larger than the sum of its proper divisors (33512703).

55676865 is a wasteful number, since it uses less digits than its factorization.

55676865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448.

The product of its digits is 1512000, while the sum is 48.

The square root of 55676865 is about 7461.6931724643. The cubic root of 55676865 is about 381.8489415798.

It can be divided in two parts, 556 and 76865, that added together give a triangular number (77421 = T393).

The spelling of 55676865 in words is "fifty-five million, six hundred seventy-six thousand, eight hundred sixty-five".

Divisors: 1 3 5 15 1117 3323 3351 5585 9969 16615 16755 49845 3711791 11135373 18558955 55676865