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55471679 = 312836323
BaseRepresentation
bin1101001110011…
…0111000111111
310212101020211122
43103212320333
5103200043204
65300541155
71242334004
oct323467077
9125336748
1055471679
112934876a
12166b17bb
13b652aa3
14751d8ab
154d0b0be
hex34e6e3f

55471679 has 8 divisors (see below), whose sum is σ = 57472512. Its totient is φ = 53484120.

The previous prime is 55471649. The next prime is 55471687. The reversal of 55471679 is 97617455.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55471679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55471649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5612 + ... + 11934.

It is an arithmetic number, because the mean of its divisors is an integer number (7184064).

Almost surely, 255471679 is an apocalyptic number.

55471679 is a deficient number, since it is larger than the sum of its proper divisors (2000833).

55471679 is a wasteful number, since it uses less digits than its factorization.

55471679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6637.

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

The square root of 55471679 is about 7447.9311892632. The cubic root of 55471679 is about 381.3792880872.

The spelling of 55471679 in words is "fifty-five million, four hundred seventy-one thousand, six hundred seventy-nine".

Divisors: 1 31 283 6323 8773 196013 1789409 55471679