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55000050010001 = 439332147377197
BaseRepresentation
bin11001000000101101100100…
…11100011000011110010001
321012201221202001101011101022
430200112302130120132101
524202110100300310001
6312550401341445225
714404423340312105
oct1440266234303621
9235657661334338
1055000050010001
1116585432422928
126203465570815
13248c636c77055
14d8203388b905
15655a2695e11b
hex3205b2718791

55000050010001 has 8 divisors (see below), whose sum is σ = 55125646973760. Its totient is φ = 54874454465808.

The previous prime is 55000050009997. The next prime is 55000050010007. The reversal of 55000050010001 is 10001005000055.

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 55000050010001 - 22 = 55000050009997 is a prime.

It is a super-2 number, since 2×550000500100012 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55000050010007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145623935 + ... + 146001131.

It is an arithmetic number, because the mean of its divisors is an integer number (6890705871720).

Almost surely, 255000050010001 is an apocalyptic number.

It is an amenable number.

55000050010001 is a deficient number, since it is larger than the sum of its proper divisors (125596963759).

55000050010001 is a wasteful number, since it uses less digits than its factorization.

55000050010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709783.

The product of its (nonzero) digits is 125, while the sum is 17.

Adding to 55000050010001 its reverse (10001005000055), we get a palindrome (65001055010056).

The spelling of 55000050010001 in words is "fifty-five trillion, fifty million, ten thousand, one".

Divisors: 1 439 332147 377197 145812533 165589483 125284851959 55000050010001