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55175590689 = 339314678673
BaseRepresentation
bin110011011000101110…
…001011001100100001
312021102021121102022220
4303120232023030201
51400444422400224
641203004221253
73662205532302
oct633056131441
9167367542286
1055175590689
1121444200a2a
12a83a23a829
1352840ba51b
142955c5c7a9
15167de33279
hexcd8b8b321

55175590689 has 8 divisors (see below), whose sum is σ = 73586184672. Its totient is φ = 36774361920.

The previous prime is 55175590681. The next prime is 55175590727. The reversal of 55175590689 is 98609557155.

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

It is not a de Polignac number, because 55175590689 - 23 = 55175590681 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (55175590681) 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, 2327544 + ... + 2351129.

It is an arithmetic number, because the mean of its divisors is an integer number (9198273084).

Almost surely, 255175590689 is an apocalyptic number.

It is an amenable number.

55175590689 is a deficient number, since it is larger than the sum of its proper divisors (18410593983).

55175590689 is a wasteful number, since it uses less digits than its factorization.

55175590689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682607.

The product of its (nonzero) digits is 17010000, while the sum is 60.

The spelling of 55175590689 in words is "fifty-five billion, one hundred seventy-five million, five hundred ninety thousand, six hundred eighty-nine".

Divisors: 1 3 3931 11793 4678673 14036019 18391863563 55175590689