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53253545 = 537287857
BaseRepresentation
bin1100101100100…
…1010110101001
310201012120010112
43023021112221
5102113103140
65141224105
71214435102
oct313112651
9121176115
1053253545
11280731a4
1215a02035
13b057297
1471033a9
154a1dc65
hex32c95a9

53253545 has 8 divisors (see below), whose sum is σ = 65631624. Its totient is φ = 41451264.

The previous prime is 53253539. The next prime is 53253569. The reversal of 53253545 is 54535235.

53253545 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 21353641 + 31899904 = 4621^2 + 5648^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53253545 - 28 = 53253289 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 7 ways as a sum of consecutive naturals, for example, 143744 + ... + 144113.

It is an arithmetic number, because the mean of its divisors is an integer number (8203953).

Almost surely, 253253545 is an apocalyptic number.

It is an amenable number.

53253545 is a deficient number, since it is larger than the sum of its proper divisors (12378079).

53253545 is a wasteful number, since it uses less digits than its factorization.

53253545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287899.

The product of its digits is 45000, while the sum is 32.

The square root of 53253545 is about 7297.5026550184. The cubic root of 53253545 is about 376.2266086274.

The spelling of 53253545 in words is "fifty-three million, two hundred fifty-three thousand, five hundred forty-five".

Divisors: 1 5 37 185 287857 1439285 10650709 53253545