52645762237 has 2 divisors, whose sum is σ = 52645762238. Its totient is φ = 52645762236.

The previous prime is 52645762217. The next prime is 52645762259. The reversal of 52645762237 is 73226754625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50916117316 + 1729644921 = 225646^2 + 41589^2 .

It is a cyclic number.

It is not a de Polignac number, because 52645762237 - 2⁷ = 52645762109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52645762207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26322881118 + 26322881119.

It is an arithmetic number, because the mean of its divisors is an integer number (26322881119).

Almost surely, 2^52645762237 is an apocalyptic number.

It is an amenable number.

52645762237 is a deficient number, since it is larger than the sum of its proper divisors (1).

52645762237 is an equidigital number, since it uses as much as digits as its factorization.

52645762237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4233600, while the sum is 49.

The spelling of 52645762237 in words is "fifty-two billion, six hundred forty-five million, seven hundred sixty-two thousand, two hundred thirty-seven".