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53336725 = 5213164113
BaseRepresentation
bin1100101101110…
…1101010010101
310201100210020021
43023131222111
5102123233400
65143105141
71215232441
oct313355225
9121323207
1053336725
112811a742
1215a421b1
13b0860c0
147125821
154a3871a
hex32dda95

53336725 has 12 divisors (see below), whose sum is σ = 71225476. Its totient is φ = 39386880.

The previous prime is 53336719. The next prime is 53336737. The reversal of 53336725 is 52763335.

It can be written as a sum of positive squares in 6 ways, for example, as 3972049 + 49364676 = 1993^2 + 7026^2 .

It is not a de Polignac number, because 53336725 - 25 = 53336693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81732 + ... + 82381.

Almost surely, 253336725 is an apocalyptic number.

It is an amenable number.

53336725 is a deficient number, since it is larger than the sum of its proper divisors (17888751).

53336725 is a wasteful number, since it uses less digits than its factorization.

53336725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164136 (or 164131 counting only the distinct ones).

The product of its digits is 56700, while the sum is 34.

The square root of 53336725 is about 7303.1996412531. The cubic root of 53336725 is about 376.4223905846.

The spelling of 53336725 in words is "fifty-three million, three hundred thirty-six thousand, seven hundred twenty-five".

Divisors: 1 5 13 25 65 325 164113 820565 2133469 4102825 10667345 53336725