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53975006853 = 3371433339331
BaseRepresentation
bin110010010001001010…
…010011111010000101
312011022121111102220220
4302101022103322011
51341020100204403
640443515414553
73620356663005
oct622112237205
9164277442826
1053975006853
1120988536589
12a564154459
1351224503a1
14288061a005
15160d82e953
hexc91293e85

53975006853 has 16 divisors (see below), whose sum is σ = 73963517376. Its totient is φ = 34986280320.

The previous prime is 53975006803. The next prime is 53975006863. The reversal of 53975006853 is 35860057935.

It is not a de Polignac number, because 53975006853 - 210 = 53975005829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53975006796 and 53975006805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53975006803) 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, 10603 + ... + 328728.

It is an arithmetic number, because the mean of its divisors is an integer number (4622719836).

Almost surely, 253975006853 is an apocalyptic number.

It is an amenable number.

53975006853 is a deficient number, since it is larger than the sum of its proper divisors (19988510523).

53975006853 is a wasteful number, since it uses less digits than its factorization.

53975006853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340804.

The product of its (nonzero) digits is 3402000, while the sum is 51.

The spelling of 53975006853 in words is "fifty-three billion, nine hundred seventy-five million, six thousand, eight hundred fifty-three".

Divisors: 1 3 37 111 1433 4299 53021 159063 339331 1017993 12555247 37665741 486261323 1458783969 17991668951 53975006853