548997 has 4 divisors (see below), whose sum is σ = 732000. Its totient is φ = 365996.

The previous prime is 548963. The next prime is 549001. The reversal of 548997 is 799845.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 548997 - 2⁷ = 548869 is a prime.

It is a D-number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 548997.

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, 91497 + ... + 91502.

It is an arithmetic number, because the mean of its divisors is an integer number (183000).

2⁵⁴⁸⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

548997 is a deficient number, since it is larger than the sum of its proper divisors (183003).

548997 is a wasteful number, since it uses less digits than its factorization.

548997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183002.

The product of its digits is 90720, while the sum is 42.

The square root of 548997 is about 740.9433176701. The cubic root of 548997 is about 81.8822919520.

The spelling of 548997 in words is "five hundred forty-eight thousand, nine hundred ninety-seven".