215548 has 6 divisors (see below), whose sum is σ = 377216. Its totient is φ = 107772.

The previous prime is 215531. The next prime is 215563. The reversal of 215548 is 845512.

215548 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

215548 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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26940 + ... + 26947.

2²¹⁵⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

215548 is a deficient number, since it is larger than the sum of its proper divisors (161668).

215548 is a wasteful number, since it uses less digits than its factorization.

215548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53891 (or 53889 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 215548 is about 464.2714723090. The cubic root of 215548 is about 59.9581189212.

The spelling of 215548 in words is "two hundred fifteen thousand, five hundred forty-eight".