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53630527 = 31255807
BaseRepresentation
bin1100110010010…
…1011000111111
310201220201020211
43030211120333
5102212134102
65153253251
71220565136
oct314453077
9121821224
1053630527
1128300455
1215b64227
13b159a52
1471a091d
154a957d7
hex332563f

53630527 has 6 divisors (see below), whose sum is σ = 55417344. Its totient is φ = 51899580.

The previous prime is 53630513. The next prime is 53630531. The reversal of 53630527 is 72503635.

It is a de Polignac number, because none of the positive numbers 2k-53630527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53630537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26943 + ... + 28864.

It is an arithmetic number, because the mean of its divisors is an integer number (9236224).

Almost surely, 253630527 is an apocalyptic number.

53630527 is a deficient number, since it is larger than the sum of its proper divisors (1786817).

53630527 is an equidigital number, since it uses as much as digits as its factorization.

53630527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55869 (or 55838 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 53630527 is about 7323.2866255528. The cubic root of 53630527 is about 377.1122917381.

The spelling of 53630527 in words is "fifty-three million, six hundred thirty thousand, five hundred twenty-seven".

Divisors: 1 31 961 55807 1730017 53630527