56328147761 has 2 divisors, whose sum is σ = 56328147762. Its totient is φ = 56328147760.

The previous prime is 56328147749. The next prime is 56328147829. The reversal of 56328147761 is 16774182365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56320307761 + 7840000 = 237319^2 + 2800^2 .

It is a cyclic number.

It is not a de Polignac number, because 56328147761 - 2⁶ = 56328147697 is a prime.

It is not a weakly prime, because it can be changed into another prime (56328147461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28164073880 + 28164073881.

It is an arithmetic number, because the mean of its divisors is an integer number (28164073881).

Almost surely, 2^56328147761 is an apocalyptic number.

It is an amenable number.

56328147761 is a deficient number, since it is larger than the sum of its proper divisors (1).

56328147761 is an equidigital number, since it uses as much as digits as its factorization.

56328147761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 50.

The spelling of 56328147761 in words is "fifty-six billion, three hundred twenty-eight million, one hundred forty-seven thousand, seven hundred sixty-one".