5561593937 has 2 divisors, whose sum is σ = 5561593938. Its totient is φ = 5561593936.

The previous prime is 5561593927. The next prime is 5561593943. The reversal of 5561593937 is 7393951655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5561579776 + 14161 = 74576^2 + 119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5561593937 is a prime.

It is not a weakly prime, because it can be changed into another prime (5561593927) 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, 2780796968 + 2780796969.

It is an arithmetic number, because the mean of its divisors is an integer number (2780796969).

Almost surely, 2^5561593937 is an apocalyptic number.

It is an amenable number.

5561593937 is a deficient number, since it is larger than the sum of its proper divisors (1).

5561593937 is an equidigital number, since it uses as much as digits as its factorization.

5561593937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3827250, while the sum is 53.

The square root of 5561593937 is about 74576.0949433530. The cubic root of 5561593937 is about 1771.7390567430.

The spelling of 5561593937 in words is "five billion, five hundred sixty-one million, five hundred ninety-three thousand, nine hundred thirty-seven".