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53043455 = 5103127811
BaseRepresentation
bin1100101001011…
…0000011111111
310200210212221102
43022112003333
5102034342310
65132523315
71212601433
oct312260377
9120725842
1053043455
1127a3a373
121592053b
13acb277a
14708a9c3
1549cb8a5
hex32960ff

53043455 has 16 divisors (see below), whose sum is σ = 64856064. Its totient is φ = 41640480.

The previous prime is 53043439. The next prime is 53043457. The reversal of 53043455 is 55434035.

It is not a de Polignac number, because 53043455 - 24 = 53043439 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53043457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65000 + ... + 65810.

It is an arithmetic number, because the mean of its divisors is an integer number (4053504).

Almost surely, 253043455 is an apocalyptic number.

53043455 is a deficient number, since it is larger than the sum of its proper divisors (11812609).

53043455 is a wasteful number, since it uses less digits than its factorization.

53043455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 53043455 is about 7283.0937794319. The cubic root of 53043455 is about 375.7312073761.

The spelling of 53043455 in words is "fifty-three million, forty-three thousand, four hundred fifty-five".

Divisors: 1 5 103 127 515 635 811 4055 13081 65405 83533 102997 417665 514985 10608691 53043455