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53520099841 = 136616228337
BaseRepresentation
bin110001110110000010…
…111110101000000001
312010010220111202211001
4301312002332220001
51334102121143331
640330425252001
73603164225335
oct616602765001
9163126452731
1053520099841
112077477917a
12a457934001
13507c126040
14283a0417c5
1515d3922561
hexc760bea01

53520099841 has 8 divisors (see below), whose sum is σ = 57724236584. Its totient is φ = 49328421120.

The previous prime is 53520099827. The next prime is 53520099917. The reversal of 53520099841 is 14899002535.

It can be written as a sum of positive squares in 4 ways, for example, as 19629130816 + 33890969025 = 140104^2 + 184095^2 .

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 53520099841 - 219 = 53519575553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53520099791 and 53520099800.

It is not an unprimeable number, because it can be changed into a prime (53520099811) 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, 3105576 + ... + 3122761.

It is an arithmetic number, because the mean of its divisors is an integer number (7215529573).

Almost surely, 253520099841 is an apocalyptic number.

It is an amenable number.

53520099841 is a deficient number, since it is larger than the sum of its proper divisors (4204136743).

53520099841 is a wasteful number, since it uses less digits than its factorization.

53520099841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6229011.

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 53520099841 in words is "fifty-three billion, five hundred twenty million, ninety-nine thousand, eight hundred forty-one".

Divisors: 1 13 661 8593 6228337 80968381 4116930757 53520099841