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53497 = 61877
BaseRepresentation
bin1101000011111001
32201101101
431003321
53202442
61051401
7311653
oct150371
981341
1053497
1137214
1226b61
131b472
14156d3
1510cb7
hexd0f9

53497 has 4 divisors (see below), whose sum is σ = 54436. Its totient is φ = 52560.

The previous prime is 53479. The next prime is 53503. The reversal of 53497 is 79435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79435 = 515887.

It can be written as a sum of positive squares in 2 ways, for example, as 20736 + 32761 = 144^2 + 181^2 .

It is a cyclic number.

It is not a de Polignac number, because 53497 - 211 = 51449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53407) 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, 378 + ... + 499.

It is an arithmetic number, because the mean of its divisors is an integer number (13609).

253497 is an apocalyptic number.

It is an amenable number.

53497 is a deficient number, since it is larger than the sum of its proper divisors (939).

53497 is an equidigital number, since it uses as much as digits as its factorization.

53497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938.

The product of its digits is 3780, while the sum is 28.

The square root of 53497 is about 231.2941849680. The cubic root of 53497 is about 37.6799058933.

It can be divided in two parts, 5349 and 7, that added together give a triangular number (5356 = T103).

The spelling of 53497 in words is "fifty-three thousand, four hundred ninety-seven".

Divisors: 1 61 877 53497