55502 has 4 divisors (see below), whose sum is σ = 83256.
Its totient is φ = 27750.
The previous prime is 55501. The next prime is 55511. The reversal of 55502 is 20555.
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: 20555 = 5 ⋅4111.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55501) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13874 + ... + 13877.
It is an arithmetic number, because the mean of its divisors is an integer number (20814).
255502 is an apocalyptic number.
55502 is a deficient number, since it is larger than the sum of its proper divisors (27754).
55502 is a wasteful number, since it uses less digits than its factorization.
55502 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27753.
The product of its (nonzero) digits is 250, while the sum is 17.
The square root of 55502 is about 235.5886245132.
The cubic root of 55502 is about 38.1448763150.
The spelling of 55502 in words is "fifty-five thousand, five hundred two".