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BaseRepresentation
bin1101000011111101
32201101112
431003331
53203001
61051405
7311660
oct150375
981345
1053501
1137218
1226b65
131b476
14156d7
1510cbb
hexd0fd

53501 has 4 divisors (see below), whose sum is σ = 61152. Its totient is φ = 45852.

The previous prime is 53479. The next prime is 53503. The reversal of 53501 is 10535.

53501 = T28 + T29 + ... + T69.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53501 - 26 = 53437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3815 + ... + 3828.

It is an arithmetic number, because the mean of its divisors is an integer number (15288).

253501 is an apocalyptic number.

It is an amenable number.

53501 is a deficient number, since it is larger than the sum of its proper divisors (7651).

53501 is an equidigital number, since it uses as much as digits as its factorization.

53501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7650.

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 53501 is about 231.3028318028. The cubic root of 53501 is about 37.6808449857.

The spelling of 53501 in words is "fifty-three thousand, five hundred one".

Divisors: 1 7 7643 53501