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55848191 = 724127799
BaseRepresentation
bin1101010100001…
…0110011111111
310220002101022112
43111002303333
5103244120231
65313004235
71245462500
oct325026377
9126071275
1055848191
1129585633
121685367b
13b755289
1475baba7
154d8292b
hex3542cff

55848191 has 12 divisors (see below), whose sum is σ = 66553200. Its totient is φ = 46700640.

The previous prime is 55848157. The next prime is 55848193. The reversal of 55848191 is 19184855.

It is not a de Polignac number, because 55848191 - 210 = 55847167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55848193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11891 + ... + 15908.

It is an arithmetic number, because the mean of its divisors is an integer number (5546100).

Almost surely, 255848191 is an apocalyptic number.

55848191 is a deficient number, since it is larger than the sum of its proper divisors (10705009).

55848191 is a wasteful number, since it uses less digits than its factorization.

55848191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27854 (or 27847 counting only the distinct ones).

The product of its digits is 57600, while the sum is 41.

The square root of 55848191 is about 7473.1647245327. The cubic root of 55848191 is about 382.2402091989.

The spelling of 55848191 in words is "fifty-five million, eight hundred forty-eight thousand, one hundred ninety-one".

Divisors: 1 7 41 49 287 2009 27799 194593 1139759 1362151 7978313 55848191