56156030237 has 2 divisors, whose sum is σ = 56156030238. Its totient is φ = 56156030236.

The previous prime is 56156030219. The next prime is 56156030311. The reversal of 56156030237 is 73203065165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55925628196 + 230402041 = 236486^2 + 15179^2 .

It is a cyclic number.

It is not a de Polignac number, because 56156030237 - 2¹⁸ = 56155768093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56156030237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56156035237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28078015118 + 28078015119.

It is an arithmetic number, because the mean of its divisors is an integer number (28078015119).

Almost surely, 2^56156030237 is an apocalyptic number.

It is an amenable number.

56156030237 is a deficient number, since it is larger than the sum of its proper divisors (1).

56156030237 is an equidigital number, since it uses as much as digits as its factorization.

56156030237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 38.

The spelling of 56156030237 in words is "fifty-six billion, one hundred fifty-six million, thirty thousand, two hundred thirty-seven".