53071 has 4 divisors (see below), whose sum is σ = 53872. Its totient is φ = 52272.

The previous prime is 53069. The next prime is 53077. The reversal of 53071 is 17035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17035 = 5 ⋅3407.

It is a cyclic number.

It is not a de Polignac number, because 53071 - 2¹ = 53069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291 + ... + 436.

It is an arithmetic number, because the mean of its divisors is an integer number (13468).

2⁵³⁰⁷¹ is an apocalyptic number.

53071 is the 146-th heptagonal number.

53071 is a deficient number, since it is larger than the sum of its proper divisors (801).

53071 is an equidigital number, since it uses as much as digits as its factorization.

53071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800.

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 53071 is about 230.3714392020. The cubic root of 53071 is about 37.5796234093.

The spelling of 53071 in words is "fifty-three thousand, seventy-one".