56113729 has 4 divisors (see below), whose sum is σ = 64129984. Its totient is φ = 48097476.

The previous prime is 56113709. The next prime is 56113777. The reversal of 56113729 is 92731165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92731165 = 5 ⋅18546233.

It is not a de Polignac number, because 56113729 - 2¹⁷ = 55982657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56113694 and 56113703.

It is not an unprimeable number, because it can be changed into a prime (56113709) 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 in 3 ways as a sum of consecutive naturals, for example, 4008117 + ... + 4008130.

It is an arithmetic number, because the mean of its divisors is an integer number (16032496).

Almost surely, 2^56113729 is an apocalyptic number.

It is an amenable number.

56113729 is a deficient number, since it is larger than the sum of its proper divisors (8016255).

56113729 is an equidigital number, since it uses as much as digits as its factorization.

56113729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8016254.

The product of its digits is 11340, while the sum is 34.

The square root of 56113729 is about 7490.9097578332. The cubic root of 56113729 is about 382.8450563643.

The spelling of 56113729 in words is "fifty-six million, one hundred thirteen thousand, seven hundred twenty-nine".