56122976993 has 2 divisors, whose sum is σ = 56122976994. Its totient is φ = 56122976992.

The previous prime is 56122976951. The next prime is 56122976999. The reversal of 56122976993 is 39967922165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55254613969 + 868363024 = 235063^2 + 29468^2 .

It is a cyclic number.

It is not a de Polignac number, because 56122976993 - 2¹⁴ = 56122960609 is a prime.

It is not a weakly prime, because it can be changed into another prime (56122976999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28061488496 + 28061488497.

It is an arithmetic number, because the mean of its divisors is an integer number (28061488497).

Almost surely, 2^56122976993 is an apocalyptic number.

It is an amenable number.

56122976993 is a deficient number, since it is larger than the sum of its proper divisors (1).

56122976993 is an equidigital number, since it uses as much as digits as its factorization.

56122976993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11022480, while the sum is 59.

The spelling of 56122976993 in words is "fifty-six billion, one hundred twenty-two million, nine hundred seventy-six thousand, nine hundred ninety-three".