56439113 has 2 divisors, whose sum is σ = 56439114. Its totient is φ = 56439112.

The previous prime is 56439073. The next prime is 56439161. The reversal of 56439113 is 31193465.

56439113 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., 31956409 + 24482704 = 5653^2 + 4948^2 .

It is a cyclic number.

It is not a de Polignac number, because 56439113 - 2¹² = 56435017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56439113.

It is not a weakly prime, because it can be changed into another prime (56439193) 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, 28219556 + 28219557.

It is an arithmetic number, because the mean of its divisors is an integer number (28219557).

Almost surely, 2^56439113 is an apocalyptic number.

It is an amenable number.

56439113 is a deficient number, since it is larger than the sum of its proper divisors (1).

56439113 is an equidigital number, since it uses as much as digits as its factorization.

56439113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 56439113 is about 7512.5969544492. The cubic root of 56439113 is about 383.5836257433.

The spelling of 56439113 in words is "fifty-six million, four hundred thirty-nine thousand, one hundred thirteen".