56377404653 has 2 divisors, whose sum is σ = 56377404654. Its totient is φ = 56377404652.

The previous prime is 56377404649. The next prime is 56377404709. The reversal of 56377404653 is 35640477365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40772897929 + 15604506724 = 201923^2 + 124918^2 .

It is a cyclic number.

It is not a de Polignac number, because 56377404653 - 2² = 56377404649 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56377404353) 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, 28188702326 + 28188702327.

It is an arithmetic number, because the mean of its divisors is an integer number (28188702327).

Almost surely, 2^56377404653 is an apocalyptic number.

It is an amenable number.

56377404653 is a deficient number, since it is larger than the sum of its proper divisors (1).

56377404653 is an equidigital number, since it uses as much as digits as its factorization.

56377404653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 50.

The spelling of 56377404653 in words is "fifty-six billion, three hundred seventy-seven million, four hundred four thousand, six hundred fifty-three".