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55538443753 = 1319250389833
BaseRepresentation
bin110011101110010110…
…010110010111101001
312022100120101021011021
4303232112112113221
51402220320200003
641303005332441
74004202661042
oct635626262751
9168316337137
1055538443753
11216100048a1
12a91b867121
135311323a90
14298c1138c9
1516a0c0a2bd
hexcee5965e9

55538443753 has 16 divisors (see below), whose sum is σ = 62984414080. Its totient is φ = 48548087424.

The previous prime is 55538443747. The next prime is 55538443757. The reversal of 55538443753 is 35734483555.

It is not a de Polignac number, because 55538443753 - 229 = 55001572841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55538443753.

It is not an unprimeable number, because it can be changed into a prime (55538443757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573325 + ... + 663157.

It is an arithmetic number, because the mean of its divisors is an integer number (3936525880).

Almost surely, 255538443753 is an apocalyptic number.

It is an amenable number.

55538443753 is a deficient number, since it is larger than the sum of its proper divisors (7445970327).

55538443753 is a wasteful number, since it uses less digits than its factorization.

55538443753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92368.

The product of its digits is 15120000, while the sum is 52.

The spelling of 55538443753 in words is "fifty-five billion, five hundred thirty-eight million, four hundred forty-three thousand, seven hundred fifty-three".

Divisors: 1 13 19 247 2503 32539 47557 89833 618241 1167829 1706827 22188751 224851999 2923075987 4272187981 55538443753