54779 has 2 divisors, whose sum is σ = 54780. Its totient is φ = 54778.

The previous prime is 54773. The next prime is 54787. The reversal of 54779 is 97745.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54779 - 2¹² = 50683 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (54773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27389 + 27390.

It is an arithmetic number, because the mean of its divisors is an integer number (27390).

2⁵⁴⁷⁷⁹ is an apocalyptic number.

54779 is a deficient number, since it is larger than the sum of its proper divisors (1).

54779 is an equidigital number, since it uses as much as digits as its factorization.

54779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 32.

The square root of 54779 is about 234.0491401394. The cubic root of 54779 is about 37.9785197161.

It can be divided in two parts, 547 and 79, that added together give a palindrome (626).

The spelling of 54779 in words is "fifty-four thousand, seven hundred seventy-nine".