56316553638193 has 4 divisors (see below), whose sum is σ = 56348032988020. Its totient is φ = 56285074288368.

The previous prime is 56316553638181. The next prime is 56316553638209. The reversal of 56316553638193 is 39183635561365.

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 40885704121249 + 15430849516944 = 6394193^2 + 3928212^2 .

It is a cyclic number.

It is not a de Polignac number, because 56316553638193 - 2⁹ = 56316553637681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56316553938193) 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, 15739672230 + ... + 15739675807.

It is an arithmetic number, because the mean of its divisors is an integer number (14087008247005).

Almost surely, 2^{56316553638193} is an apocalyptic number.

It is an amenable number.

56316553638193 is a deficient number, since it is larger than the sum of its proper divisors (31479349827).

56316553638193 is a wasteful number, since it uses less digits than its factorization.

56316553638193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31479349826.

The product of its digits is 157464000, while the sum is 64.

The spelling of 56316553638193 in words is "fifty-six trillion, three hundred sixteen billion, five hundred fifty-three million, six hundred thirty-eight thousand, one hundred ninety-three".