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55555525050505 = 516747663468383
BaseRepresentation
bin11001010000111000001110…
…10101100000000010001001
321021201001112001122220212121
430220130013111200002021
524240210203403104010
6314053504511411241
714462516462252434
oct1450340725400211
9237631461586777
1055555525050505
1116779a6961a337
126293048b23b21
1324ccb2c24987c
14da0c8a5dc81b
156651d79263da
hex328707560089

55555525050505 has 8 divisors (see below), whose sum is σ = 66670610971392. Its totient is φ = 44441766099888.

The previous prime is 55555525050503. The next prime is 55555525050541. The reversal of 55555525050505 is 50505052555555.

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 55555525050505 - 21 = 55555525050503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55555525050503) 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, 331650457 + ... + 331817926.

It is an arithmetic number, because the mean of its divisors is an integer number (8333826371424).

Almost surely, 255555525050505 is an apocalyptic number.

It is an amenable number.

55555525050505 is a deficient number, since it is larger than the sum of its proper divisors (11115085920887).

55555525050505 is a wasteful number, since it uses less digits than its factorization.

55555525050505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663485135.

The product of its (nonzero) digits is 19531250, while the sum is 52.

The spelling of 55555525050505 in words is "fifty-five trillion, five hundred fifty-five billion, five hundred twenty-five million, fifty thousand, five hundred five".

Divisors: 1 5 16747 83735 663468383 3317341915 11111105010101 55555525050505