56403242013 has 8 divisors (see below), whose sum is σ = 76804414848. Its totient is φ = 36802115264.

The previous prime is 56403241997. The next prime is 56403242017. The reversal of 56403242013 is 31024230465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56403242013 - 2⁴ = 56403241997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56403242017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200011356 + ... + 200011637.

It is an arithmetic number, because the mean of its divisors is an integer number (9600551856).

Almost surely, 2^56403242013 is an apocalyptic number.

It is an amenable number.

56403242013 is a deficient number, since it is larger than the sum of its proper divisors (20401172835).

56403242013 is a wasteful number, since it uses less digits than its factorization.

56403242013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400023043.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 56403242013 its reverse (31024230465), we get a palindrome (87427472478).

The spelling of 56403242013 in words is "fifty-six billion, four hundred three million, two hundred forty-two thousand, thirteen".