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53443244001 = 37351937069
BaseRepresentation
bin110001110001011101…
…110010111111100001
312002221112220002102110
4301301131302333201
51333422432302001
640315042105533
73601242036000
oct616135627741
9162845802373
1053443244001
1120735355254
12a43604b2a9
135069226b04
14282db56c37
1515cbce03d6
hexc71772fe1

53443244001 has 16 divisors (see below), whose sum is σ = 83099312000. Its totient is φ = 30538995984.

The previous prime is 53443243951. The next prime is 53443244021. The reversal of 53443244001 is 10044234435.

It is not a de Polignac number, because 53443244001 - 215 = 53443211233 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 53443244001.

It is not an unprimeable number, because it can be changed into a prime (53443244021) 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, 25967506 + ... + 25969563.

It is an arithmetic number, because the mean of its divisors is an integer number (5193707000).

Almost surely, 253443244001 is an apocalyptic number.

It is an amenable number.

53443244001 is a deficient number, since it is larger than the sum of its proper divisors (29656067999).

53443244001 is an equidigital number, since it uses as much as digits as its factorization.

53443244001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51937093 (or 51937079 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 53443244001 its reverse (10044234435), we get a palindrome (63487478436).

The spelling of 53443244001 in words is "fifty-three billion, four hundred forty-three million, two hundred forty-four thousand, one".

Divisors: 1 3 7 21 49 147 343 1029 51937069 155811207 363559483 1090678449 2544916381 7634749143 17814414667 53443244001