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53440225055 = 5747791732377
BaseRepresentation
bin110001110001010010…
…010001111100011111
312002221100012201012122
4301301102101330133
51333421144200210
640314453253155
73601204263260
oct616122217437
9162840181178
1053440225055
1120733683058
12a4350341bb
13506870a959
14282d5ac967
1515cb8e5b55
hexc71491f1f

53440225055 has 64 divisors (see below), whose sum is σ = 76266455040. Its totient is φ = 35191563264.

The previous prime is 53440224979. The next prime is 53440225057. The reversal of 53440225055 is 55052204435.

It is a cyclic number.

It is not a de Polignac number, because 53440225055 - 224 = 53423447839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53440225057) 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 63 ways as a sum of consecutive naturals, for example, 22481027 + ... + 22483403.

It is an arithmetic number, because the mean of its divisors is an integer number (1191663360).

Almost surely, 253440225055 is an apocalyptic number.

53440225055 is a deficient number, since it is larger than the sum of its proper divisors (22826229985).

53440225055 is a wasteful number, since it uses less digits than its factorization.

53440225055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688.

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 53440225055 in words is "fifty-three billion, four hundred forty million, two hundred twenty-five thousand, fifty-five".

Divisors: 1 5 7 35 47 79 173 235 329 395 553 865 1211 1645 2377 2765 3713 6055 8131 11885 13667 16639 18565 25991 40655 56917 68335 83195 95669 111719 129955 187783 284585 411221 478345 558595 642349 782033 938915 1314481 2056105 2878547 3211745 3910165 4496443 6572405 8825801 14392735 19327387 22482215 32486459 44129005 61780607 96636935 135291709 162432295 227405213 308903035 676458545 1137026065 1526863573 7634317865 10688045011 53440225055