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53085801552 = 24371039152063
BaseRepresentation
bin110001011100001010…
…010000110001010000
312002000122022010120020
4301130022100301100
51332204431122202
640215352543440
73556341603510
oct613412206120
9162018263506
1053085801552
1120571607473
12a3563b1b80
1350101661c4
1427d84ad840
1515aa7365bc
hexc5c290c50

53085801552 has 80 divisors (see below), whose sum is σ = 156881387520. Its totient is φ = 15152674176.

The previous prime is 53085801551. The next prime is 53085801557. The reversal of 53085801552 is 25510858035.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53085801551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273073 + ... + 425135.

It is an arithmetic number, because the mean of its divisors is an integer number (1961017344).

Almost surely, 253085801552 is an apocalyptic number.

It is an amenable number.

53085801552 is an abundant number, since it is smaller than the sum of its proper divisors (103795585968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53085801552 is a wasteful number, since it uses less digits than its factorization.

53085801552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153120 (or 153114 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 42.

The spelling of 53085801552 in words is "fifty-three billion, eighty-five million, eight hundred one thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 1039 2078 3117 4156 6234 7273 8312 12468 14546 16624 21819 24936 29092 43638 49872 58184 87276 116368 152063 174552 304126 349104 456189 608252 912378 1064441 1216504 1824756 2128882 2433008 3193323 3649512 4257764 6386646 7299024 8515528 12773292 17031056 25546584 51093168 157993457 315986914 473980371 631973828 947960742 1105954199 1263947656 1895921484 2211908398 2527895312 3317862597 3791842968 4423816796 6635725194 7583685936 8847633592 13271450388 17695267184 26542900776 53085801552