53578 has 16 divisors (see below), whose sum is σ = 95040. Its totient is φ = 22176.

The previous prime is 53569. The next prime is 53591. The reversal of 53578 is 87535.

It is an unprimeable number.

53578 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 in 7 ways as a sum of consecutive naturals, for example, 558 + ... + 646.

It is an arithmetic number, because the mean of its divisors is an integer number (5940).

2⁵³⁵⁷⁸ is an apocalyptic number.

53578 is a deficient number, since it is larger than the sum of its proper divisors (41462).

53578 is a wasteful number, since it uses less digits than its factorization.

53578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141.

The product of its digits is 4200, while the sum is 28.

The square root of 53578 is about 231.4692204160. The cubic root of 53578 is about 37.6989133971.

The spelling of 53578 in words is "fifty-three thousand, five hundred seventy-eight".