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56779 is a prime number
BaseRepresentation
bin1101110111001011
32212212221
431313023
53304104
61114511
7324352
oct156713
985787
1056779
1139728
1228a37
131cac8
1416999
1511c54
hexddcb

56779 has 2 divisors, whose sum is σ = 56780. Its totient is φ = 56778.

The previous prime is 56773. The next prime is 56783. The reversal of 56779 is 97765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56779 - 25 = 56747 is a prime.

56779 is a lucky number.

It is a plaindrome in base 10 and base 14.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (56773) by changing a digit.

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, 28389 + 28390.

It is an arithmetic number, because the mean of its divisors is an integer number (28390).

256779 is an apocalyptic number.

56779 is a deficient number, since it is larger than the sum of its proper divisors (1).

56779 is an equidigital number, since it uses as much as digits as its factorization.

56779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13230, while the sum is 34.

The square root of 56779 is about 238.2834446620. The cubic root of 56779 is about 38.4352089542.

It can be divided in two parts, 567 and 79, that added together give a palindrome (646).

The spelling of 56779 in words is "fifty-six thousand, seven hundred seventy-nine".