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54287717 = 114935247
BaseRepresentation
bin1100111100010…
…1110101100101
310210011002202012
43033011311211
5102344201332
65215324005
71226303141
oct317056545
9123132665
1054287717
112870a190
1216220605
13b329c13
1472d2221
154b753b2
hex33c5d65

54287717 has 4 divisors (see below), whose sum is σ = 59222976. Its totient is φ = 49352460.

The previous prime is 54287713. The next prime is 54287719. The reversal of 54287717 is 71778245.

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 54287717 - 22 = 54287713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54287711) 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, 2467613 + ... + 2467634.

It is an arithmetic number, because the mean of its divisors is an integer number (14805744).

Almost surely, 254287717 is an apocalyptic number.

It is an amenable number.

54287717 is a deficient number, since it is larger than the sum of its proper divisors (4935259).

54287717 is a wasteful number, since it uses less digits than its factorization.

54287717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4935258.

The product of its digits is 109760, while the sum is 41.

The square root of 54287717 is about 7368.0198832522. The cubic root of 54287717 is about 378.6464238411.

The spelling of 54287717 in words is "fifty-four million, two hundred eighty-seven thousand, seven hundred seventeen".

Divisors: 1 11 4935247 54287717