55317995737 has 2 divisors, whose sum is σ = 55317995738. Its totient is φ = 55317995736.

The previous prime is 55317995717. The next prime is 55317995743. The reversal of 55317995737 is 73759971355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34145126656 + 21172869081 = 184784^2 + 145509^2 .

It is a cyclic number.

It is not a de Polignac number, because 55317995737 - 2⁷ = 55317995609 is a prime.

It is not a weakly prime, because it can be changed into another prime (55317995717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27658997868 + 27658997869.

It is an arithmetic number, because the mean of its divisors is an integer number (27658997869).

Almost surely, 2^55317995737 is an apocalyptic number.

It is an amenable number.

55317995737 is a deficient number, since it is larger than the sum of its proper divisors (1).

55317995737 is an equidigital number, since it uses as much as digits as its factorization.

55317995737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31255875, while the sum is 61.

The spelling of 55317995737 in words is "fifty-five billion, three hundred seventeen million, nine hundred ninety-five thousand, seven hundred thirty-seven".