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53755128 = 23327106657
BaseRepresentation
bin1100110100001…
…1110011111000
310202011001011200
43031003303320
5102230131003
65200054200
71221624330
oct315036370
9122131150
1053755128
1128386029
1216004360
13b1a168b
1471d40c0
154abc6a3
hex3343cf8

53755128 has 48 divisors (see below), whose sum is σ = 166386480. Its totient is φ = 15358464.

The previous prime is 53755127. The next prime is 53755133. The reversal of 53755128 is 82155735.

It is a super-2 number, since 2×537551282 = 5779227572592768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 53755092 and 53755101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53755127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52825 + ... + 53832.

It is an arithmetic number, because the mean of its divisors is an integer number (3466385).

Almost surely, 253755128 is an apocalyptic number.

It is an amenable number.

53755128 is an abundant number, since it is smaller than the sum of its proper divisors (112631352).

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

53755128 is a wasteful number, since it uses less digits than its factorization.

53755128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106676 (or 106669 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 53755128 is about 7331.7888676639. The cubic root of 53755128 is about 377.4041169871.

The spelling of 53755128 in words is "fifty-three million, seven hundred fifty-five thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 106657 213314 319971 426628 639942 746599 853256 959913 1279884 1493198 1919826 2239797 2559768 2986396 3839652 4479594 5972792 6719391 7679304 8959188 13438782 17918376 26877564 53755128