53602 has 4 divisors (see below), whose sum is σ = 80406. Its totient is φ = 26800.

The previous prime is 53597. The next prime is 53609. The reversal of 53602 is 20635.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20635 = 5 ⋅4127.

It can be written as a sum of positive squares in only one way, i.e., 48841 + 4761 = 221^2 + 69^2 .

It is not an unprimeable number, because it can be changed into a prime (53609) by changing a digit.

53602 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, 13399 + ... + 13402.

2⁵³⁶⁰² is an apocalyptic number.

53602 is a deficient number, since it is larger than the sum of its proper divisors (26804).

53602 is a wasteful number, since it uses less digits than its factorization.

53602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26803.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 53602 is about 231.5210573576. The cubic root of 53602 is about 37.7045415707.

The spelling of 53602 in words is "fifty-three thousand, six hundred two".