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53137535 = 5115318229
BaseRepresentation
bin1100101010110…
…1000001111111
310200222122222212
43022231001333
5102100400120
65134531035
71213442633
oct312550177
9120878885
1053137535
1127aa4020
1215966a7b
13b016539
1470b2dc3
1549e96c5
hex32ad07f

53137535 has 16 divisors (see below), whose sum is σ = 70878240. Its totient is φ = 37914240.

The previous prime is 53137519. The next prime is 53137549. The reversal of 53137535 is 53573135.

It is not a de Polignac number, because 53137535 - 24 = 53137519 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6200 + ... + 12029.

It is an arithmetic number, because the mean of its divisors is an integer number (4429890).

Almost surely, 253137535 is an apocalyptic number.

53137535 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53137535 is a deficient number, since it is larger than the sum of its proper divisors (17740705).

53137535 is a wasteful number, since it uses less digits than its factorization.

53137535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18298.

The product of its digits is 23625, while the sum is 32.

The square root of 53137535 is about 7289.5497117449. The cubic root of 53137535 is about 375.9532134896.

Subtracting 53137535 from its reverse (53573135), we obtain a square (435600 = 6602).

The spelling of 53137535 in words is "fifty-three million, one hundred thirty-seven thousand, five hundred thirty-five".

Divisors: 1 5 11 53 55 265 583 2915 18229 91145 200519 966137 1002595 4830685 10627507 53137535