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53038855545 = 35137310934183
BaseRepresentation
bin110001011001010111…
…001011010101111001
312001220100222000202020
4301121113023111321
51332110421334140
640210554425053
73555231555624
oct613127132571
9161810860666
1053038855545
1120548062215
12a342732189
135003509bc0
1427d216cdbb
1515a65616d0
hexc595cb579

53038855545 has 64 divisors (see below), whose sum is σ = 93494607360. Its totient is φ = 25516726272.

The previous prime is 53038855517. The next prime is 53038855559. The reversal of 53038855545 is 54555883035.

It is not a de Polignac number, because 53038855545 - 26 = 53038855481 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1534524 + ... + 1568706.

It is an arithmetic number, because the mean of its divisors is an integer number (1460853240).

Almost surely, 253038855545 is an apocalyptic number.

It is an amenable number.

53038855545 is a deficient number, since it is larger than the sum of its proper divisors (40455751815).

53038855545 is a wasteful number, since it uses less digits than its factorization.

53038855545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34386.

The product of its (nonzero) digits is 7200000, while the sum is 51.

The spelling of 53038855545 in words is "fifty-three billion, thirty-eight million, eight hundred fifty-five thousand, five hundred forty-five".

Divisors: 1 3 5 13 15 39 65 73 109 195 219 327 365 545 949 1095 1417 1635 2847 4251 4745 7085 7957 14235 21255 23871 34183 39785 102549 103441 119355 170915 310323 444379 512745 517205 1333137 1551615 2221895 2495359 3725947 6665685 7486077 11177841 12476795 18629735 32439667 37430385 48437311 55889205 97319001 145311933 162198335 242186555 271994131 486595005 726559665 815982393 1359970655 3535923703 4079911965 10607771109 17679618515 53038855545