53216 has 12 divisors (see below), whose sum is σ = 104832. Its totient is φ = 26592.

The previous prime is 53201. The next prime is 53231. The reversal of 53216 is 61235.

It is an interprime number because it is at equal distance from previous prime (53201) and next prime (53231).

It is a zygodrome in base 2 and base 3.

It is a junction number, because it is equal to n+sod(n) for n = 53194 and 53203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800 + ... + 863.

It is an arithmetic number, because the mean of its divisors is an integer number (8736).

2⁵³²¹⁶ is an apocalyptic number.

It is an amenable number.

53216 is a deficient number, since it is larger than the sum of its proper divisors (51616).

53216 is a wasteful number, since it uses less digits than its factorization.

53216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673 (or 1665 counting only the distinct ones).

The product of its digits is 180, while the sum is 17.

The square root of 53216 is about 230.6859336847. The cubic root of 53216 is about 37.6138171642.

The spelling of 53216 in words is "fifty-three thousand, two hundred sixteen".