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55671841 = 67830923
BaseRepresentation
bin1101010001011…
…1110000100001
310212202102102001
43110113300201
5103222444331
65305124001
71244126401
oct324276041
9125672361
1055671841
1129475095
1216789601
13b6c2c24
147572801
154d4a561
hex3517c21

55671841 has 4 divisors (see below), whose sum is σ = 56502832. Its totient is φ = 54840852.

The previous prime is 55671827. The next prime is 55671871. The reversal of 55671841 is 14817655.

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 55671841 - 217 = 55540769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55671841.

It is not an unprimeable number, because it can be changed into a prime (55671871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415395 + ... + 415528.

It is an arithmetic number, because the mean of its divisors is an integer number (14125708).

Almost surely, 255671841 is an apocalyptic number.

It is an amenable number.

55671841 is a deficient number, since it is larger than the sum of its proper divisors (830991).

55671841 is an equidigital number, since it uses as much as digits as its factorization.

55671841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830990.

The product of its digits is 33600, while the sum is 37.

The square root of 55671841 is about 7461.3565120560. The cubic root of 55671841 is about 381.8374558590.

The spelling of 55671841 in words is "fifty-five million, six hundred seventy-one thousand, eight hundred forty-one".

Divisors: 1 67 830923 55671841