56516789333 has 4 divisors (see below), whose sum is σ = 56929320780. Its totient is φ = 56104257888.

The previous prime is 56516789317. The next prime is 56516789383. The reversal of 56516789333 is 33398761565.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47715159844 + 8801629489 = 218438^2 + 93817^2 .

It is a cyclic number.

It is not a de Polignac number, because 56516789333 - 2⁴ = 56516789317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56516789383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206265518 + ... + 206265791.

It is an arithmetic number, because the mean of its divisors is an integer number (14232330195).

Almost surely, 2^56516789333 is an apocalyptic number.

It is an amenable number.

56516789333 is a deficient number, since it is larger than the sum of its proper divisors (412531447).

56516789333 is a wasteful number, since it uses less digits than its factorization.

56516789333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412531446.

The product of its digits is 12247200, while the sum is 56.

The spelling of 56516789333 in words is "fifty-six billion, five hundred sixteen million, seven hundred eighty-nine thousand, three hundred thirty-three".