56403788613 has 8 divisors (see below), whose sum is σ = 75326942208. Its totient is φ = 37541580384.

The previous prime is 56403788599. The next prime is 56403788621. The reversal of 56403788613 is 31688730465.

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

It is not a de Polignac number, because 56403788613 - 2⁶ = 56403788549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56403788663) 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, 15234181 + ... + 15237882.

It is an arithmetic number, because the mean of its divisors is an integer number (9415867776).

Almost surely, 2^56403788613 is an apocalyptic number.

It is an amenable number.

56403788613 is a deficient number, since it is larger than the sum of its proper divisors (18923153595).

56403788613 is a wasteful number, since it uses less digits than its factorization.

56403788613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30472683.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 56403788613 in words is "fifty-six billion, four hundred three million, seven hundred eighty-eight thousand, six hundred thirteen".