53455 has 4 divisors (see below), whose sum is σ = 64152. Its totient is φ = 42760.

The previous prime is 53453. The next prime is 53479. The reversal of 53455 is 55435.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55435 = 5 ⋅11087.

It is not a de Polignac number, because 53455 - 2¹ = 53453 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

53455 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53453) 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, 5341 + ... + 5350.

It is an arithmetic number, because the mean of its divisors is an integer number (16038).

2⁵³⁴⁵⁵ is an apocalyptic number.

53455 is a deficient number, since it is larger than the sum of its proper divisors (10697).

53455 is a wasteful number, since it uses less digits than its factorization.

53455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10696.

The product of its digits is 1500, while the sum is 22.

The square root of 53455 is about 231.2033736778. The cubic root of 53455 is about 37.6700425965.

The spelling of 53455 in words is "fifty-three thousand, four hundred fifty-five".