56606708237 has 2 divisors, whose sum is σ = 56606708238. Its totient is φ = 56606708236.

The previous prime is 56606708233. The next prime is 56606708321. The reversal of 56606708237 is 73280760665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37616214601 + 18990493636 = 193949^2 + 137806^2 .

It is a cyclic number.

It is not a de Polignac number, because 56606708237 - 2² = 56606708233 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56606708233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28303354118 + 28303354119.

It is an arithmetic number, because the mean of its divisors is an integer number (28303354119).

Almost surely, 2^56606708237 is an apocalyptic number.

It is an amenable number.

56606708237 is a deficient number, since it is larger than the sum of its proper divisors (1).

56606708237 is an equidigital number, since it uses as much as digits as its factorization.

56606708237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 56606708237 in words is "fifty-six billion, six hundred six million, seven hundred eight thousand, two hundred thirty-seven".