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54556387 = 616131459
BaseRepresentation
bin1101000000011…
…1011011100011
310210122202021221
43100013123203
5102431301022
65225155511
71231502344
oct320073343
9123582257
1054556387
1128883026
121632bb97
13b3c22b2
1473620cb
154bc9cc7
hex34076e3

54556387 has 8 divisors (see below), whose sum is σ = 55579280. Its totient is φ = 53537760.

The previous prime is 54556361. The next prime is 54556393. The reversal of 54556387 is 78365545.

54556387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54556387 - 27 = 54556259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54556487) 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 7 ways as a sum of consecutive naturals, for example, 36664 + ... + 38122.

It is an arithmetic number, because the mean of its divisors is an integer number (6947410).

Almost surely, 254556387 is an apocalyptic number.

54556387 is a deficient number, since it is larger than the sum of its proper divisors (1022893).

54556387 is a wasteful number, since it uses less digits than its factorization.

54556387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133.

The product of its digits is 504000, while the sum is 43.

The square root of 54556387 is about 7386.2295523494. The cubic root of 54556387 is about 379.2700368057.

The spelling of 54556387 in words is "fifty-four million, five hundred fifty-six thousand, three hundred eighty-seven".

Divisors: 1 61 613 1459 37393 88999 894367 54556387