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55241021001 = 343428224969
BaseRepresentation
bin110011011100100111…
…110001011001001001
312021120211201121211210
4303130213301121021
51401113200133001
641213302443333
73663631634235
oct633447613111
9167524647753
1055241021001
1121478130771
12a858133549
13529481909a
1429608115c5
151684a59dd6
hexcdc9f1649

55241021001 has 8 divisors (see below), whose sum is σ = 75367594720. Its totient is φ = 35970897312.

The previous prime is 55241020949. The next prime is 55241021039. The reversal of 55241021001 is 10012014255.

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

It is not a de Polignac number, because 55241021001 - 219 = 55240496713 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55241021041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214112356 + ... + 214112613.

It is an arithmetic number, because the mean of its divisors is an integer number (9420949340).

Almost surely, 255241021001 is an apocalyptic number.

It is an amenable number.

55241021001 is a deficient number, since it is larger than the sum of its proper divisors (20126573719).

55241021001 is a wasteful number, since it uses less digits than its factorization.

55241021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428225015.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 55241021001 its reverse (10012014255), we get a palindrome (65253035256).

The spelling of 55241021001 in words is "fifty-five billion, two hundred forty-one million, twenty-one thousand, one".

Divisors: 1 3 43 129 428224969 1284674907 18413673667 55241021001