53718 has 16 divisors (see below), whose sum is σ = 122880. Its totient is φ = 15336.

The previous prime is 53717. The next prime is 53719. The reversal of 53718 is 81735.

It is an interprime number because it is at equal distance from previous prime (53717) and next prime (53719).

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598 + ... + 681.

It is an arithmetic number, because the mean of its divisors is an integer number (7680).

2⁵³⁷¹⁸ is an apocalyptic number.

53718 is an abundant number, since it is smaller than the sum of its proper divisors (69162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61440).

53718 is a wasteful number, since it uses less digits than its factorization.

53718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291.

The product of its digits is 840, while the sum is 24.

The square root of 53718 is about 231.7714391378. The cubic root of 53718 is about 37.7317207528.

It can be divided in two parts, 537 and 18, that added together give a palindrome (555).

The spelling of 53718 in words is "fifty-three thousand, seven hundred eighteen".