53458 has 4 divisors (see below), whose sum is σ = 80190. Its totient is φ = 26728.

The previous prime is 53453. The next prime is 53479. The reversal of 53458 is 85435.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 42849 + 10609 = 207^2 + 103^2 .

It is not an unprimeable number, because it can be changed into a prime (53453) by changing a digit.

53458 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 13363 + ... + 13366.

2⁵³⁴⁵⁸ is an apocalyptic number.

53458 is a deficient number, since it is larger than the sum of its proper divisors (26732).

53458 is a wasteful number, since it uses less digits than its factorization.

53458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26731.

The product of its digits is 2400, while the sum is 25.

The square root of 53458 is about 231.2098613814. The cubic root of 53458 is about 37.6707472890.

The spelling of 53458 in words is "fifty-three thousand, four hundred fifty-eight".