53767 has 4 divisors (see below), whose sum is σ = 61456. Its totient is φ = 46080.

The previous prime is 53759. The next prime is 53773. The reversal of 53767 is 76735.

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

It is a cyclic number.

It is not a de Polignac number, because 53767 - 2³ = 53759 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 (53717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3834 + ... + 3847.

It is an arithmetic number, because the mean of its divisors is an integer number (15364).

2⁵³⁷⁶⁷ is an apocalyptic number.

53767 is a deficient number, since it is larger than the sum of its proper divisors (7689).

53767 is an equidigital number, since it uses as much as digits as its factorization.

53767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7688.

The product of its digits is 4410, while the sum is 28.

The square root of 53767 is about 231.8771226318. The cubic root of 53767 is about 37.7431898596.

It can be divided in two parts, 53 and 767, that added together give a triangular number (820 = T₄₀).

The spelling of 53767 in words is "fifty-three thousand, seven hundred sixty-seven".