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53957568 = 2637192113
BaseRepresentation
bin1100110111010…
…1001111000000
310202112022212110
43031311033000
5102303120233
65204255320
71223426460
oct315651700
9122468773
1053957568
1128504135
12160a1540
13b242872
147247ba0
154b0c663
hex33753c0

53957568 has 112 divisors (see below), whose sum is σ = 171825920. Its totient is φ = 14598144.

The previous prime is 53957539. The next prime is 53957569. The reversal of 53957568 is 86575935.

53957568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×539575682 = 5822838288949248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53957569) 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, 24480 + ... + 26592.

It is an arithmetic number, because the mean of its divisors is an integer number (1534160).

Almost surely, 253957568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53957568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85912960).

53957568 is an abundant number, since it is smaller than the sum of its proper divisors (117868352).

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

53957568 is a wasteful number, since it uses less digits than its factorization.

53957568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154 (or 2144 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 48.

The square root of 53957568 is about 7345.5815290554. The cubic root of 53957568 is about 377.8772872297.

The spelling of 53957568 in words is "fifty-three million, nine hundred fifty-seven thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 19 21 24 28 32 38 42 48 56 57 64 76 84 96 112 114 133 152 168 192 224 228 266 304 336 399 448 456 532 608 672 798 912 1064 1216 1344 1596 1824 2113 2128 3192 3648 4226 4256 6339 6384 8452 8512 12678 12768 14791 16904 25356 25536 29582 33808 40147 44373 50712 59164 67616 80294 88746 101424 118328 120441 135232 160588 177492 202848 236656 240882 281029 321176 354984 405696 473312 481764 562058 642352 709968 843087 946624 963528 1124116 1284704 1419936 1686174 1927056 2248232 2569408 2839872 3372348 3854112 4496464 6744696 7708224 8992928 13489392 17985856 26978784 53957568