56937186937 has 2 divisors, whose sum is σ = 56937186938. Its totient is φ = 56937186936.

The previous prime is 56937186881. The next prime is 56937186997. The reversal of 56937186937 is 73968173965.

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., 51102671481 + 5834515456 = 226059^2 + 76384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56937186937 is a prime.

It is not a weakly prime, because it can be changed into another prime (56937186997) 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, 28468593468 + 28468593469.

It is an arithmetic number, because the mean of its divisors is an integer number (28468593469).

Almost surely, 2^56937186937 is an apocalyptic number.

It is an amenable number.

56937186937 is a deficient number, since it is larger than the sum of its proper divisors (1).

56937186937 is an equidigital number, since it uses as much as digits as its factorization.

56937186937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51438240, while the sum is 64.

The spelling of 56937186937 in words is "fifty-six billion, nine hundred thirty-seven million, one hundred eighty-six thousand, nine hundred thirty-seven".