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53115 = 353541
BaseRepresentation
bin1100111101111011
32200212020
430331323
53144430
61045523
7310566
oct147573
980766
1053115
11369a7
12268a3
131b23a
14154dd
1510b10
hexcf7b

53115 has 8 divisors (see below), whose sum is σ = 85008. Its totient is φ = 28320.

The previous prime is 53113. The next prime is 53117. The reversal of 53115 is 51135.

It is an interprime number because it is at equal distance from previous prime (53113) and next prime (53117).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53115 - 21 = 53113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 3541 = 53115 / (5 + 3 + 1 + 1 + 5).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 53094 and 53103.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 53115.

It is not an unprimeable number, because it can be changed into a prime (53113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1756 + ... + 1785.

It is an arithmetic number, because the mean of its divisors is an integer number (10626).

253115 is an apocalyptic number.

53115 is a deficient number, since it is larger than the sum of its proper divisors (31893).

53115 is a wasteful number, since it uses less digits than its factorization.

53115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549.

The product of its digits is 75, while the sum is 15.

The square root of 53115 is about 230.4669173656. The cubic root of 53115 is about 37.5900060205.

The spelling of 53115 in words is "fifty-three thousand, one hundred fifteen".

Divisors: 1 3 5 15 3541 10623 17705 53115