548923 has 4 divisors (see below), whose sum is σ = 554680. Its totient is φ = 543168.

The previous prime is 548909. The next prime is 548927. The reversal of 548923 is 329845.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548923 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (548927) 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, 2733 + ... + 2926.

It is an arithmetic number, because the mean of its divisors is an integer number (138670).

2⁵⁴⁸⁹²³ is an apocalyptic number.

548923 is a deficient number, since it is larger than the sum of its proper divisors (5757).

548923 is an equidigital number, since it uses as much as digits as its factorization.

548923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756.

The product of its digits is 8640, while the sum is 31.

The square root of 548923 is about 740.8933796438. The cubic root of 548923 is about 81.8786127808.

The spelling of 548923 in words is "five hundred forty-eight thousand, nine hundred twenty-three".