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53052543 = 336729327
BaseRepresentation
bin1100101001100…
…0010001111111
310200211100102000
43022120101333
5102040140133
65133033343
71212640065
oct312302177
9120740360
1053052543
1127a46185
1215925853
13acb694b
147090035
1549ce413
hex329847f

53052543 has 16 divisors (see below), whose sum is σ = 79772160. Its totient is φ = 34839288.

The previous prime is 53052539. The next prime is 53052607. The reversal of 53052543 is 34525035.

It is not a de Polignac number, because 53052543 - 22 = 53052539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53052533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12855 + ... + 16472.

It is an arithmetic number, because the mean of its divisors is an integer number (4985760).

Almost surely, 253052543 is an apocalyptic number.

53052543 is a deficient number, since it is larger than the sum of its proper divisors (26719617).

53052543 is a wasteful number, since it uses less digits than its factorization.

53052543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29403 (or 29397 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 53052543 is about 7283.7176633914. The cubic root of 53052543 is about 375.7526643131.

Adding to 53052543 its reverse (34525035), we get a palindrome (87577578).

The spelling of 53052543 in words is "fifty-three million, fifty-two thousand, five hundred forty-three".

Divisors: 1 3 9 27 67 201 603 1809 29327 87981 263943 791829 1964909 5894727 17684181 53052543