55396 has 12 divisors (see below), whose sum is σ = 105840. Its totient is φ = 25160.

The previous prime is 55381. The next prime is 55399. The reversal of 55396 is 69355.

It is a happy number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (55399) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 586 + ... + 673.

It is an arithmetic number, because the mean of its divisors is an integer number (8820).

2⁵⁵³⁹⁶ is an apocalyptic number.

It is an amenable number.

55396 is a deficient number, since it is larger than the sum of its proper divisors (50444).

55396 is a wasteful number, since it uses less digits than its factorization.

55396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274 (or 1272 counting only the distinct ones).

The product of its digits is 4050, while the sum is 28.

The square root of 55396 is about 235.3635485796. The cubic root of 55396 is about 38.1205772886.

The spelling of 55396 in words is "fifty-five thousand, three hundred ninety-six".