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55679147 = 161334519
BaseRepresentation
bin1101010001100…
…1100010101011
310212202210102122
43110121202223
5103223213042
65305221455
71244156606
oct324314253
9125683378
1055679147
112947a627
121679188b
13b6c6354
14757533d
154d4c7d2
hex35198ab

55679147 has 4 divisors (see below), whose sum is σ = 55715280. Its totient is φ = 55643016.

The previous prime is 55679093. The next prime is 55679167. The reversal of 55679147 is 74197655.

55679147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55679147 - 216 = 55613611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55679098 and 55679107.

It is not an unprimeable number, because it can be changed into a prime (55679167) 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, 15647 + ... + 18872.

It is an arithmetic number, because the mean of its divisors is an integer number (13928820).

Almost surely, 255679147 is an apocalyptic number.

55679147 is a deficient number, since it is larger than the sum of its proper divisors (36133).

55679147 is a wasteful number, since it uses less digits than its factorization.

55679147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36132.

The product of its digits is 264600, while the sum is 44.

The square root of 55679147 is about 7461.8460852526. The cubic root of 55679147 is about 381.8541583928.

The spelling of 55679147 in words is "fifty-five million, six hundred seventy-nine thousand, one hundred forty-seven".

Divisors: 1 1613 34519 55679147