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53015 = 523461
BaseRepresentation
bin1100111100010111
32200201112
430330113
53144030
61045235
7310364
oct147427
980645
1053015
1136916
122681b
131b191
141546b
1510a95
hexcf17

53015 has 8 divisors (see below), whose sum is σ = 66528. Its totient is φ = 40480.

The previous prime is 53003. The next prime is 53017. The reversal of 53015 is 51035.

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

It is not a de Polignac number, because 53015 - 24 = 52999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 53015.

It is not an unprimeable number, because it can be changed into a prime (53017) 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, 116 + ... + 345.

It is an arithmetic number, because the mean of its divisors is an integer number (8316).

253015 is an apocalyptic number.

53015 is a deficient number, since it is larger than the sum of its proper divisors (13513).

53015 is a wasteful number, since it uses less digits than its factorization.

53015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489.

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

The square root of 53015 is about 230.2498642779. The cubic root of 53015 is about 37.5664008738.

It can be divided in two parts, 530 and 15, that added together give a palindrome (545).

The spelling of 53015 in words is "fifty-three thousand, fifteen".

Divisors: 1 5 23 115 461 2305 10603 53015