548779 has 8 divisors (see below), whose sum is σ = 684288. Its totient is φ = 427560.

The previous prime is 548771. The next prime is 548783. The reversal of 548779 is 977845.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 548779 - 2³ = 548771 is a prime.

548779 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (548771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3487 + ... + 3640.

It is an arithmetic number, because the mean of its divisors is an integer number (85536).

2⁵⁴⁸⁷⁷⁹ is an apocalyptic number.

548779 is a deficient number, since it is larger than the sum of its proper divisors (135509).

548779 is a wasteful number, since it uses less digits than its factorization.

548779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7145.

The product of its digits is 70560, while the sum is 40.

The square root of 548779 is about 740.7961932948. The cubic root of 548779 is about 81.8714523646.

It can be divided in two parts, 5 and 48779, that added together give a palindrome (48784).

The spelling of 548779 in words is "five hundred forty-eight thousand, seven hundred seventy-nine".