56118949 has 2 divisors, whose sum is σ = 56118950. Its totient is φ = 56118948.

The previous prime is 56118947. The next prime is 56118983. The reversal of 56118949 is 94981165.

56118949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40768225 + 15350724 = 6385^2 + 3918^2 .

It is a cyclic number.

It is not a de Polignac number, because 56118949 - 2¹ = 56118947 is a prime.

Together with 56118947, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56118943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28059474 + 28059475.

It is an arithmetic number, because the mean of its divisors is an integer number (28059475).

Almost surely, 2^56118949 is an apocalyptic number.

It is an amenable number.

56118949 is a deficient number, since it is larger than the sum of its proper divisors (1).

56118949 is an equidigital number, since it uses as much as digits as its factorization.

56118949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 43.

The square root of 56118949 is about 7491.2581720296. The cubic root of 56118949 is about 382.8569274296.

The spelling of 56118949 in words is "fifty-six million, one hundred eighteen thousand, nine hundred forty-nine".