53155 has 4 divisors (see below), whose sum is σ = 63792. Its totient is φ = 42520.
The previous prime is 53149. The next prime is 53161. The reversal of 53155 is 55135.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55135 = 5 ⋅11027.
It is an interprime number because it is at equal distance from previous prime (53149) and next prime (53161).
It is not a de Polignac number, because 53155 - 23 = 53147 is a prime.
It is a Duffinian number.
53155 is a lucky number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5311 + ... + 5320.
It is an arithmetic number, because the mean of its divisors is an integer number (15948).
253155 is an apocalyptic number.
53155 is a deficient number, since it is larger than the sum of its proper divisors (10637).
53155 is a wasteful number, since it uses less digits than its factorization.
53155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10636.
The product of its digits is 375, while the sum is 19.
The square root of 53155 is about 230.5536813846. The cubic root of 53155 is about 37.5994397834.
It can be divided in two parts, 5 and 3155, that added together give a triangular number (3160 = T79).
The spelling of 53155 in words is "fifty-three thousand, one hundred fifty-five".
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