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52971055 = 543433569
BaseRepresentation
bin1100101000010…
…0011000101111
310200200012121221
43022010120233
5102030033210
65131204211
71212150364
oct312043057
9120605557
1052971055
112799aa35
12158a6667
13ac88827
14706c46b
1549b51da
hex328462f

52971055 has 16 divisors (see below), whose sum is σ = 65308320. Its totient is φ = 41223168.

The previous prime is 52971053. The next prime is 52971059. The reversal of 52971055 is 55017925.

It is a cyclic number.

It is not a de Polignac number, because 52971055 - 21 = 52971053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52971055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52971053) 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, 92811 + ... + 93379.

It is an arithmetic number, because the mean of its divisors is an integer number (4081770).

Almost surely, 252971055 is an apocalyptic number.

52971055 is a deficient number, since it is larger than the sum of its proper divisors (12337265).

52971055 is a wasteful number, since it uses less digits than its factorization.

52971055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 52971055 is about 7278.1216670237. The cubic root of 52971055 is about 375.5601820322.

The spelling of 52971055 in words is "fifty-two million, nine hundred seventy-one thousand, fifty-five".

Divisors: 1 5 43 215 433 569 2165 2845 18619 24467 93095 122335 246377 1231885 10594211 52971055