56747695853 has 2 divisors, whose sum is σ = 56747695854. Its totient is φ = 56747695852.

The previous prime is 56747695841. The next prime is 56747695897. The reversal of 56747695853 is 35859674765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34660385929 + 22087309924 = 186173^2 + 148618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56747695853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56747695853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56747692853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28373847926 + 28373847927.

It is an arithmetic number, because the mean of its divisors is an integer number (28373847927).

Almost surely, 2^56747695853 is an apocalyptic number.

It is an amenable number.

56747695853 is a deficient number, since it is larger than the sum of its proper divisors (1).

56747695853 is an equidigital number, since it uses as much as digits as its factorization.

56747695853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512000, while the sum is 65.

The spelling of 56747695853 in words is "fifty-six billion, seven hundred forty-seven million, six hundred ninety-five thousand, eight hundred fifty-three".