5687557361 has 2 divisors, whose sum is σ = 5687557362. Its totient is φ = 5687557360.

The previous prime is 5687557357. The next prime is 5687557367. The reversal of 5687557361 is 1637557865.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5233654336 + 453903025 = 72344^2 + 21305^2 .

It is a cyclic number.

It is not a de Polignac number, because 5687557361 - 2² = 5687557357 is a prime.

It is not a weakly prime, because it can be changed into another prime (5687557367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2843778680 + 2843778681.

It is an arithmetic number, because the mean of its divisors is an integer number (2843778681).

Almost surely, 2^5687557361 is an apocalyptic number.

It is an amenable number.

5687557361 is a deficient number, since it is larger than the sum of its proper divisors (1).

5687557361 is an equidigital number, since it uses as much as digits as its factorization.

5687557361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292000, while the sum is 53.

The square root of 5687557361 is about 75415.8959437598. The cubic root of 5687557361 is about 1785.0152463344.

The spelling of 5687557361 in words is "five billion, six hundred eighty-seven million, five hundred fifty-seven thousand, three hundred sixty-one".