53967 has 4 divisors (see below), whose sum is σ = 71960. Its totient is φ = 35976.

The previous prime is 53959. The next prime is 53987. The reversal of 53967 is 76935.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53967 - 2³ = 53959 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53917) 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, 8992 + ... + 8997.

It is an arithmetic number, because the mean of its divisors is an integer number (17990).

2⁵³⁹⁶⁷ is an apocalyptic number.

53967 is a deficient number, since it is larger than the sum of its proper divisors (17993).

53967 is a wasteful number, since it uses less digits than its factorization.

53967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17992.

The product of its digits is 5670, while the sum is 30.

The square root of 53967 is about 232.3079852265. The cubic root of 53967 is about 37.7899304104.

It can be divided in two parts, 539 and 67, that added together give a palindrome (606).

The spelling of 53967 in words is "fifty-three thousand, nine hundred sixty-seven".