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53641 = 77997
BaseRepresentation
bin1101000110001001
32201120201
431012021
53204031
61052201
7312250
oct150611
981521
1053641
1137335
1227061
131b553
1415797
1510d61
hexd189

53641 has 8 divisors (see below), whose sum is σ = 62720. Its totient is φ = 44928.

The previous prime is 53639. The next prime is 53653. The reversal of 53641 is 14635.

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 53641 - 21 = 53639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505 + ... + 601.

It is an arithmetic number, because the mean of its divisors is an integer number (7840).

253641 is an apocalyptic number.

It is an amenable number.

53641 is a deficient number, since it is larger than the sum of its proper divisors (9079).

53641 is an equidigital number, since it uses as much as digits as its factorization.

53641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183.

The product of its digits is 360, while the sum is 19.

The square root of 53641 is about 231.6052676430. The cubic root of 53641 is about 37.7136837708.

The spelling of 53641 in words is "fifty-three thousand, six hundred forty-one".

Divisors: 1 7 79 97 553 679 7663 53641