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54255653 = 173786257
BaseRepresentation
bin1100111011111…
…0000000100101
310210002110202122
43032332000211
5102342140103
65214515325
71226110514
oct316760045
9123073678
1054255653
1128698091
1216205b45
13b31844a
1472c467b
154b6ab38
hex33be025

54255653 has 8 divisors (see below), whose sum is σ = 59000472. Its totient is φ = 49683456.

The previous prime is 54255647. The next prime is 54255661. The reversal of 54255653 is 35655245.

54255653 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 8868484 + 45387169 = 2978^2 + 6737^2 .

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 54255653 - 212 = 54251557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54257653) by changing a digit.

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, 42500 + ... + 43757.

It is an arithmetic number, because the mean of its divisors is an integer number (7375059).

Almost surely, 254255653 is an apocalyptic number.

It is an amenable number.

54255653 is a deficient number, since it is larger than the sum of its proper divisors (4744819).

54255653 is a wasteful number, since it uses less digits than its factorization.

54255653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86311.

The product of its digits is 90000, while the sum is 35.

The square root of 54255653 is about 7365.8436719768. The cubic root of 54255653 is about 378.5718624077.

The spelling of 54255653 in words is "fifty-four million, two hundred fifty-five thousand, six hundred fifty-three".

Divisors: 1 17 37 629 86257 1466369 3191509 54255653