55193 has 4 divisors (see below), whose sum is σ = 55860. Its totient is φ = 54528.

The previous prime is 55171. The next prime is 55201. The reversal of 55193 is 39155.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16384 + 38809 = 128^2 + 197^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55193 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 55193.

It is not an unprimeable number, because it can be changed into a prime (55103) 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, 188 + ... + 381.

It is an arithmetic number, because the mean of its divisors is an integer number (13965).

2⁵⁵¹⁹³ is an apocalyptic number.

It is an amenable number.

55193 is a deficient number, since it is larger than the sum of its proper divisors (667).

55193 is an equidigital number, since it uses as much as digits as its factorization.

55193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666.

The product of its digits is 675, while the sum is 23.

The square root of 55193 is about 234.9319050278. The cubic root of 55193 is about 38.0739556969.

The spelling of 55193 in words is "fifty-five thousand, one hundred ninety-three".