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53538625 = 53728741
BaseRepresentation
bin1100110000111…
…0111101000001
310201202001012001
43030032331001
5102201214000
65151304001
71220033200
oct314167501
9121661161
1053538625
11282483a8
1215b1b001
13b126c7a
147179237
154a7846a
hex330ef41

53538625 has 24 divisors (see below), whose sum is σ = 77733864. Its totient is φ = 36708000.

The previous prime is 53538613. The next prime is 53538659. The reversal of 53538625 is 52683535.

53538625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7529536 + 46009089 = 2744^2 + 6783^2 .

It is not a de Polignac number, because 53538625 - 29 = 53538113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1755 + ... + 10495.

It is an arithmetic number, because the mean of its divisors is an integer number (3238911).

Almost surely, 253538625 is an apocalyptic number.

It is an amenable number.

53538625 is a deficient number, since it is larger than the sum of its proper divisors (24195239).

53538625 is an equidigital number, since it uses as much as digits as its factorization.

53538625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8770 (or 8753 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 53538625 is about 7317.0092934204. The cubic root of 53538625 is about 376.8967603290.

The spelling of 53538625 in words is "fifty-three million, five hundred thirty-eight thousand, six hundred twenty-five".

Divisors: 1 5 7 25 35 49 125 175 245 875 1225 6125 8741 43705 61187 218525 305935 428309 1092625 1529675 2141545 7648375 10707725 53538625